We look at the division of 50365318 by 690 
The aim is to understand the frequency of 690 in 50365318.

Going ahead to step 1:
If we divide 5 by 690, we get 0 and a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Bring next digit (0) of the dividend behind the 5 and repeat the process: 50 / 690

Going ahead to step 2:
50 divided by 690 is 0 with a remainder of 50.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 50 leaves us with 50.
Include the next digit (3) from the dividend after 50, then repeat: 503 / 690

Going ahead to step 3:
The number 690 fits into 503 0 times, leaving a remainder of 503.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 503, we end up with 503.
Bring next digit (6) of the dividend behind the 503 and repeat the process: 5036 / 690

Going ahead to step 4:
690 can be fit into 5036 7 times, resulting in a remainder of 206.
Use 7 as the next digit of our solution. 
Result so far: 7.0
Subtract 4830 from 5036 to get 206.
Grab the next digit (5) from the dividend, add it to 206, then carry on: 2065 / 690

Going ahead to step 5:
The number 690 fits into 2065 2 times, leaving a remainder of 685.
The next digit of our result is 2. 
Result so far: 72.0
Deduct 1380 from 2065 and we're left with 685.
Bring next digit (3) of the dividend behind the 685 and repeat the process: 6853 / 690

On to step 6:
The number 690 fits into 6853 9 times, leaving a remainder of 643.
The number 9 becomes the next digit in our result. 
Result so far: 729.0
Subtracting 6210 from 6853 leaves us with 643.
Fetch the next digit (1) from the dividend, attach it to 643 and continue: 6431 / 690

Step 7:
When dividing 6431 by 690, we get 9 with a remainder of 221.
Write down 9 as next digit of the result. 
Result so far: 7299.0
Subtract 6210 from 6431 to get 221.
Append the next digit (8) from the dividend to 221 and continue with: 2218 / 690

Moving on to step 8:
The number 690 fits into 2218 3 times, leaving a remainder of 148.
Write down 3 as next digit of the result. 
Result so far: 72993.0
Deduct 2070 from 2218 and we're left with 148.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1480, and continue the process.

Let's proceed to step 9:
690 can be fit into 1480 2 times, resulting in a remainder of 100.
Use 2 as the next digit of our solution. 
Result so far: 72993.2
If we take 1380 away from 1480, we end up with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Advancing to step 10:
When dividing 1000 by 690, we get 1 with a remainder of 310.
The next digit of our result is 1. 
Result so far: 72993.21
Deduct 690 from 1000 and we're left with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Let's proceed to step 11:
690 goes into 3100 4 times with a remainder of 340.
Use 4 as the next digit of our solution. 
Result so far: 72993.214
If we subtract 2760 from 3100, we get 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Advancing to step 12:
3400 divided by 690 is 4 with a remainder of 640.
The number 4 becomes the next digit in our result. 
Result so far: 72993.2144
If we take 2760 away from 3400, we end up with 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6400, and continue the process.

In conclusion, the division gives 72993.2144 with a balance of 0.0064.