80406049 divided by 430 
Our goal is to divide 80406049 by 430.

Step 1:
430 can be fit into 8 0 times, resulting in a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Fetch the next digit (0) from the dividend, attach it to 8 and continue: 80 / 430

Going ahead to step 2:
The number 430 fits into 80 0 times, leaving a remainder of 80.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 80 and we're left with 80.
Append the next digit (4) from the dividend to 80 and continue with: 804 / 430

On to step 3:
When dividing 804 by 430, we get 1 with a remainder of 374.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 430 from 804 to get 374.
Take the next digit (0) from the dividend and append it to 374, then repeat: 3740 / 430

Advancing to step 4:
When dividing 3740 by 430, we get 8 with a remainder of 300.
Write down 8 as next digit of the result. 
Result so far: 18.0
Deduct 3440 from 3740 and we're left with 300.
Include the next digit (6) from the dividend after 300, then repeat: 3006 / 430

Advancing to step 5:
The number 430 fits into 3006 6 times, leaving a remainder of 426.
The number 6 becomes the next digit in our result. 
Result so far: 186.0
The remainder is 426 after subtracting 2580 from 3006.
Take the next digit (0) from the dividend and append it to 426, then repeat: 4260 / 430

Moving on to step 6:
The number 430 fits into 4260 9 times, leaving a remainder of 390.
The next digit of our result is 9. 
Result so far: 1869.0
If we take 3870 away from 4260, we end up with 390.
Fetch the next digit (4) from the dividend, attach it to 390 and continue: 3904 / 430

Advancing to step 7:
3904 divided by 430 is 9 with a remainder of 34.
The next digit of our result is 9. 
Result so far: 18699.0
If we subtract 3870 from 3904, we get 34.
Take the next digit (9) from the dividend and append it to 34, then repeat: 349 / 430

Let's proceed to step 8:
The number 430 fits into 349 0 times, leaving a remainder of 349.
The next digit of our result is 0. 
Result so far: 186990.0
Subtract 0 from 349 to get 349.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3490, and continue the process.

Step 9:
When dividing 3490 by 430, we get 8 with a remainder of 50.
Write down 8 as next digit of the result. 
Result so far: 186990.8
Subtract 3440 from 3490 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 10:
430 can be fit into 500 1 times, resulting in a remainder of 70.
The number 1 becomes the next digit in our result. 
Result so far: 186990.81
Deduct 430 from 500 and we're left with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Moving on to step 11:
If we divide 700 by 430, we get 1 and a remainder of 270.
The next digit of our result is 1. 
Result so far: 186990.811
Subtract 430 from 700 to get 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2700, and continue the process.

In conclusion, the division gives 186990.811 with a balance of 0.027.