| a | ÷ | 111 100 | × | 11 100 | + | ( | 7000000 | − | a | ) | ÷ | 11 10 | × | 1 10 | = | 13334137 20 |
| Left side of the equation = | a | × | 11 111 | + | ( | 7000000 | − | a | ) | × | 1 11 |
11 111 | a | + | ( | 7000000 | − | a | ) | × | 1 11 | = | 13334137 20 |
| Left side of the equation = | 11 111 | a | + | 7000000 | × | 1 11 | − | a | × | 1 11 |
| = | 11 111 | a | + | 7000000 11 | − | a | × | 1 11 |
| = | 10 1221 | a | + | 7000000 11 |
10 1221 | a | + | 7000000 11 | = | 13334137 20 |
10 1221 | a | = | 13334137 20 | − | 7000000 11 |
10 1221 | a | = | 6675507 220 |
| a | = | 6675507 220 | ÷ | 10 1221 |
| = | 6675507 220 | × | 1221 10 |
| = | 6675507 20 | × | 111 10 |
| a | = | 740981277 200 |
| a | = | 3704906.385 |