| x | − | 1 | ÷ | ( | 1000000000000 | × | 15707963 5000000 | × | 15707963 5000000 | ) | = | 0 |
| Multiply both sides of the equation by: | ( | 1000000000000 | × | 15707963 5000000 | × | 15707963 5000000 | ) |
| x | ( | 1000000000000 | × | 15707963 5000000 | × | 15707963 5000000 | ) | − | 1 | = | 0 |
| x | × | 1000000000000 | × | 15707963 5000000 | × | 15707963 5000000 | − | 1 | = | 0 |