Finding the Fourth Proportional to 481,215,954.78, 664,060,832.28 and 272,367,612.99
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Solution
The fourth proportional to 481,215,954.78, 664,060,832.28 and 272,367,612.99 is: 375,857,579.06
Step by Step Solution
- Step 1: Write the proportion equation
481,215,954.78 : 664,060,832.28 = 272,367,612.99 : x - Step 2: Convert to fraction form
481,215,954.78/664,060,832.28 = 272,367,612.99/x - Step 3: Cross multiply
481,215,954.78x = 664,060,832.28 × 272,367,612.99 - Step 4: Simplify right side
481,215,954.78x = 180,868,663,768,256,352 - Step 5: Solve for x
x = 180,868,663,768,256,352/481,215,954.78 - Step 6: Final answer
x = 375,857,579.06
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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.