We look at the division of 30202151 by 458 
We want to figure out the number of times 30202151 can be divided by 458.

On to step 1:
When dividing 3 by 458, we get 0 with a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Include the next digit (0) from the dividend after 3, then repeat: 30 / 458

Let's proceed to step 2:
The number 458 fits into 30 0 times, leaving a remainder of 30.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 30 after subtracting 0 from 30.
Include the next digit (2) from the dividend after 30, then repeat: 302 / 458

On to step 3:
458 goes into 302 0 times with a remainder of 302.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 302, we get 302.
Bring next digit (0) of the dividend behind the 302 and repeat the process: 3020 / 458

Step 4:
The number 458 fits into 3020 6 times, leaving a remainder of 272.
The next digit of our result is 6. 
Result so far: 6.0
Subtract 2748 from 3020 to get 272.
Bring next digit (2) of the dividend behind the 272 and repeat the process: 2722 / 458

On to step 5:
When dividing 2722 by 458, we get 5 with a remainder of 432.
Write down 5 as next digit of the result. 
Result so far: 65.0
If we take 2290 away from 2722, we end up with 432.
Fetch the next digit (1) from the dividend, attach it to 432 and continue: 4321 / 458

Going ahead to step 6:
The number 458 fits into 4321 9 times, leaving a remainder of 199.
The next digit of our result is 9. 
Result so far: 659.0
If we take 4122 away from 4321, we end up with 199.
Fetch the next digit (5) from the dividend, attach it to 199 and continue: 1995 / 458

Step 7:
458 goes into 1995 4 times with a remainder of 163.
The number 4 becomes the next digit in our result. 
Result so far: 6594.0
Subtracting 1832 from 1995 leaves us with 163.
Grab the next digit (1) from the dividend, add it to 163, then carry on: 1631 / 458

Let's proceed to step 8:
1631 divided by 458 is 3 with a remainder of 257.
The number 3 becomes the next digit in our result. 
Result so far: 65943.0
Deduct 1374 from 1631 and we're left with 257.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2570, and continue the process.

On to step 9:
2570 divided by 458 is 5 with a remainder of 280.
Record the quotient 5 as the next digit in the result. 
Result so far: 65943.5
If we take 2290 away from 2570, we end up with 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

Going ahead to step 10:
The number 458 fits into 2800 6 times, leaving a remainder of 52.
Record the quotient 6 as the next digit in the result. 
Result so far: 65943.56
Subtract 2748 from 2800 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

On to step 11:
If we divide 520 by 458, we get 1 and a remainder of 62.
Put 1 as the next digit of the answer. 
Result so far: 65943.561
Subtracting 458 from 520 leaves us with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Let's proceed to step 12:
If we divide 620 by 458, we get 1 and a remainder of 162.
Put 1 as the next digit of the answer. 
Result so far: 65943.5611
Subtract 458 from 620 to get 162.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1620, and continue the process.

In conclusion, the division gives 65943.5611 with a balance of 0.00162.