Finding the Fourth Proportional to 349,635,452.78, 482,491,114.35 and 192,998,508.14
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Solution
The fourth proportional to 349,635,452.78, 482,491,114.35 and 192,998,508.14 is: 266,334,733.85
Step by Step Solution
- Step 1: Write the proportion equation
349,635,452.78 : 482,491,114.35 = 192,998,508.14 : x - Step 2: Convert to fraction form
349,635,452.78/482,491,114.35 = 192,998,508.14/x - Step 3: Cross multiply
349,635,452.78x = 482,491,114.35 × 192,998,508.14 - Step 4: Simplify right side
349,635,452.78x = 93,120,065,260,356,144 - Step 5: Solve for x
x = 93,120,065,260,356,144/349,635,452.78 - Step 6: Final answer
x = 266,334,733.85
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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.