| a | × | 11 2 | × | 3668 25 | + | 1 10 | a | × | 11 2 | × | 10589 100 | + | a | × | 3 10 | × | 5311 100 | + | a | × | 2 | = | 430000 |
| Left side of the equation = | a | × | 20174 25 | + | 116479 2000 | a | + | a | × | 15933 1000 | + | a | × | 7 10 |
| = | 352733 400 | a |
352733 400 | a | = | 430000 |
| a | = | 430000 | ÷ | 352733 400 |
| = | 430000 | × | 400 352733 |
| a | = | 172000000 352733 |
| a | = | 487.620948 |