Finding the Fourth Proportional to 750,317,468.93, 1,125,478,909.90 and 531,305,318.42
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Solution
The fourth proportional to 750,317,468.93, 1,125,478,909.90 and 531,305,318.42 is: 796,959,894.12
Step by Step Solution
- Step 1: Write the proportion equation
750,317,468.93 : 1,125,478,909.90 = 531,305,318.42 : x - Step 2: Convert to fraction form
750,317,468.93/1,125,478,909.90 = 531,305,318.42/x - Step 3: Cross multiply
750,317,468.93x = 1,125,478,909.90 × 531,305,318.42 - Step 4: Simplify right side
750,317,468.93x = 597,972,930,593,786,624 - Step 5: Solve for x
x = 597,972,930,593,786,624/750,317,468.93 - Step 6: Final answer
x = 796,959,894.12
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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.