Finding the Fourth Proportional to 587,324,587.38, 810,491,756.62 and 323,006,676.55
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Solution
The fourth proportional to 587,324,587.38, 810,491,756.62 and 323,006,676.55 is: 445,740,318.55
Step by Step Solution
- Step 1: Write the proportion equation
587,324,587.38 : 810,491,756.62 = 323,006,676.55 : x - Step 2: Convert to fraction form
587,324,587.38/810,491,756.62 = 323,006,676.55/x - Step 3: Cross multiply
587,324,587.38x = 810,491,756.62 × 323,006,676.55 - Step 4: Simplify right side
587,324,587.38x = 261,794,248,674,761,472 - Step 5: Solve for x
x = 261,794,248,674,761,472/587,324,587.38 - Step 6: Final answer
x = 445,740,318.55
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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.