Finding the Fourth Proportional to 848,332,833.12, 1,272,486,464.64 and 381,664,694.88
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Solution
The fourth proportional to 848,332,833.12, 1,272,486,464.64 and 381,664,694.88 is: 572,491,290.33
Step by Step Solution
- Step 1: Write the proportion equation
848,332,833.12 : 1,272,486,464.64 = 381,664,694.88 : x - Step 2: Convert to fraction form
848,332,833.12/1,272,486,464.64 = 381,664,694.88/x - Step 3: Cross multiply
848,332,833.12x = 1,272,486,464.64 × 381,664,694.88 - Step 4: Simplify right side
848,332,833.12x = 485,663,158,265,755,520 - Step 5: Solve for x
x = 485,663,158,265,755,520/848,332,833.12 - Step 6: Final answer
x = 572,491,290.33
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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.