Finding the Fourth Proportional to 517,344,550.62, 775,729,716.36 and 172,109,716.98
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Solution
The fourth proportional to 517,344,550.62, 775,729,716.36 and 172,109,716.98 is: 258,069,060.12
Step by Step Solution
- Step 1: Write the proportion equation
517,344,550.62 : 775,729,716.36 = 172,109,716.98 : x - Step 2: Convert to fraction form
517,344,550.62/775,729,716.36 = 172,109,716.98/x - Step 3: Cross multiply
517,344,550.62x = 775,729,716.36 × 172,109,716.98 - Step 4: Simplify right side
517,344,550.62x = 133,510,621,935,695,264 - Step 5: Solve for x
x = 133,510,621,935,695,264/517,344,550.62 - Step 6: Final answer
x = 258,069,060.12
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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.