Finding the Fourth Proportional to 556,540,592.85, 768,324,193.33 and 429,102,936.91
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Solution
The fourth proportional to 556,540,592.85, 768,324,193.33 and 429,102,936.91 is: 592,391,951.45
Step by Step Solution
- Step 1: Write the proportion equation
556,540,592.85 : 768,324,193.33 = 429,102,936.91 : x - Step 2: Convert to fraction form
556,540,592.85/768,324,193.33 = 429,102,936.91/x - Step 3: Cross multiply
556,540,592.85x = 768,324,193.33 × 429,102,936.91 - Step 4: Simplify right side
556,540,592.85x = 329,690,167,856,909,696 - Step 5: Solve for x
x = 329,690,167,856,909,696/556,540,592.85 - Step 6: Final answer
x = 592,391,951.45
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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.