Finding the Fourth Proportional to 529,244,830.92, 730,358,472.17 and 294,290,446.84
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Solution
The fourth proportional to 529,244,830.92, 730,358,472.17 and 294,290,446.84 is: 406,121,153.33
Step by Step Solution
- Step 1: Write the proportion equation
529,244,830.92 : 730,358,472.17 = 294,290,446.84 : x - Step 2: Convert to fraction form
529,244,830.92/730,358,472.17 = 294,290,446.84/x - Step 3: Cross multiply
529,244,830.92x = 730,358,472.17 × 294,290,446.84 - Step 4: Simplify right side
529,244,830.92x = 214,937,521,128,288,960 - Step 5: Solve for x
x = 214,937,521,128,288,960/529,244,830.92 - Step 6: Final answer
x = 406,121,153.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.