Finding the Fourth Proportional to 86,524,381,807.80, 129,786,572,711.70 and 86,524,381,807.80
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Solution
The fourth proportional to 86,524,381,807.80, 129,786,572,711.70 and 86,524,381,807.80 is: 129,786,572,711.70
Step by Step Solution
- Step 1: Write the proportion equation
86,524,381,807.80 : 129,786,572,711.70 = 86,524,381,807.80 : x - Step 2: Convert to fraction form
86,524,381,807.80/129,786,572,711.70 = 86,524,381,807.80/x - Step 3: Cross multiply
86,524,381,807.80x = 129,786,572,711.70 × 86,524,381,807.80 - Step 4: Simplify right side
86,524,381,807.80x = 11,229,702,970,832,926,539,776 - Step 5: Solve for x
x = 11,229,702,970,832,926,539,776/86,524,381,807.80 - Step 6: Final answer
x = 129,786,572,711.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.