Finding the Fourth Proportional to 274,354,549.71, 378,609,466.49 and 148,906,748.47
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Solution
The fourth proportional to 274,354,549.71, 378,609,466.49 and 148,906,748.47 is: 205,491,414.87
Step by Step Solution
- Step 1: Write the proportion equation
274,354,549.71 : 378,609,466.49 = 148,906,748.47 : x - Step 2: Convert to fraction form
274,354,549.71/378,609,466.49 = 148,906,748.47/x - Step 3: Cross multiply
274,354,549.71x = 378,609,466.49 × 148,906,748.47 - Step 4: Simplify right side
274,354,549.71x = 56,377,504,595,399,520 - Step 5: Solve for x
x = 56,377,504,595,399,520/274,354,549.71 - Step 6: Final answer
x = 205,491,414.87
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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.