We look at the division of 20209230 by 490 
The aim is to understand the frequency of 490 in 20209230.

Step 1:
If we divide 2 by 490, we get 0 and a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Include the next digit (0) from the dividend after 2, then repeat: 20 / 490

Advancing to step 2:
The number 490 fits into 20 0 times, leaving a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 20, we end up with 20.
Fetch the next digit (2) from the dividend, attach it to 20 and continue: 202 / 490

Step 3:
When dividing 202 by 490, we get 0 with a remainder of 202.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 202 to get 202.
Fetch the next digit (0) from the dividend, attach it to 202 and continue: 2020 / 490

Let's proceed to step 4:
490 can be fit into 2020 4 times, resulting in a remainder of 60.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we subtract 1960 from 2020, we get 60.
Bring next digit (9) of the dividend behind the 60 and repeat the process: 609 / 490

Step 5:
The number 490 fits into 609 1 times, leaving a remainder of 119.
Record the quotient 1 as the next digit in the result. 
Result so far: 41.0
If we subtract 490 from 609, we get 119.
Include the next digit (2) from the dividend after 119, then repeat: 1192 / 490

On to step 6:
The number 490 fits into 1192 2 times, leaving a remainder of 212.
Use 2 as the next digit of our solution. 
Result so far: 412.0
Subtract 980 from 1192 to get 212.
Take the next digit (3) from the dividend and append it to 212, then repeat: 2123 / 490

Let's proceed to step 7:
If we divide 2123 by 490, we get 4 and a remainder of 163.
Record the quotient 4 as the next digit in the result. 
Result so far: 4124.0
The remainder is 163 after subtracting 1960 from 2123.
Include the next digit (0) from the dividend after 163, then repeat: 1630 / 490

Step 8:
490 goes into 1630 3 times with a remainder of 160.
Write down 3 as next digit of the result. 
Result so far: 41243.0
Subtract 1470 from 1630 to get 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Advancing to step 9:
The number 490 fits into 1600 3 times, leaving a remainder of 130.
The number 3 becomes the next digit in our result. 
Result so far: 41243.3
Subtract 1470 from 1600 to get 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Let's proceed to step 10:
If we divide 1300 by 490, we get 2 and a remainder of 320.
Put 2 as the next digit of the answer. 
Result so far: 41243.32
The remainder is 320 after subtracting 980 from 1300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Going ahead to step 11:
490 goes into 3200 6 times with a remainder of 260.
Write down 6 as next digit of the result. 
Result so far: 41243.326
Subtracting 2940 from 3200 leaves us with 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Advancing to step 12:
If we divide 2600 by 490, we get 5 and a remainder of 150.
The number 5 becomes the next digit in our result. 
Result so far: 41243.3265
The remainder is 150 after subtracting 2450 from 2600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

Going ahead to step 13:
When dividing 1500 by 490, we get 3 with a remainder of 30.
Use 3 as the next digit of our solution. 
Result so far: 41243.32653
Deduct 1470 from 1500 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Let's proceed to step 14:
490 goes into 300 0 times with a remainder of 300.
Write down 0 as next digit of the result. 
Result so far: 41243.32653
Deduct 0 from 300 and we're left with 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

Advancing to step 15:
490 goes into 3000 6 times with a remainder of 60.
Use 6 as the next digit of our solution. 
Result so far: 41243.3265306
Subtract 2940 from 3000 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

On to step 16:
When dividing 600 by 490, we get 1 with a remainder of 110.
Record the quotient 1 as the next digit in the result. 
Result so far: 41243.32653061
If we subtract 490 from 600, we get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

In conclusion, the division gives 41243.32653061 with a balance of 1.1e-07.