Finding the Fourth Proportional to 391,452,149.98, 586,790,372.49 and 183,818,876.86
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Solution
The fourth proportional to 391,452,149.98, 586,790,372.49 and 183,818,876.86 is: 275,546,186.75
Step by Step Solution
- Step 1: Write the proportion equation
391,452,149.98 : 586,790,372.49 = 183,818,876.86 : x - Step 2: Convert to fraction form
391,452,149.98/586,790,372.49 = 183,818,876.86/x - Step 3: Cross multiply
391,452,149.98x = 586,790,372.49 × 183,818,876.86 - Step 4: Simplify right side
391,452,149.98x = 107,863,147,223,372,848 - Step 5: Solve for x
x = 107,863,147,223,372,848/391,452,149.98 - Step 6: Final answer
x = 275,546,186.75
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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.