Finding the Fourth Proportional to 701,762,116.50, 1,053,247,836.52 and 486,502,529.94
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Solution
The fourth proportional to 701,762,116.50, 1,053,247,836.52 and 486,502,529.94 is: 730,172,981.80
Step by Step Solution
- Step 1: Write the proportion equation
701,762,116.50 : 1,053,247,836.52 = 486,502,529.94 : x - Step 2: Convert to fraction form
701,762,116.50/1,053,247,836.52 = 486,502,529.94/x - Step 3: Cross multiply
701,762,116.50x = 1,053,247,836.52 × 486,502,529.94 - Step 4: Simplify right side
701,762,116.50x = 512,407,737,120,811,520 - Step 5: Solve for x
x = 512,407,737,120,811,520/701,762,116.50 - Step 6: Final answer
x = 730,172,981.80
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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.