Finding the Fourth Proportional to 373,685,682.75, 515,676,251.17 and 206,418,343.95
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Solution
The fourth proportional to 373,685,682.75, 515,676,251.17 and 206,418,343.95 is: 284,851,795.76
Step by Step Solution
- Step 1: Write the proportion equation
373,685,682.75 : 515,676,251.17 = 206,418,343.95 : x - Step 2: Convert to fraction form
373,685,682.75/515,676,251.17 = 206,418,343.95/x - Step 3: Cross multiply
373,685,682.75x = 515,676,251.17 × 206,418,343.95 - Step 4: Simplify right side
373,685,682.75x = 106,445,037,780,855,648 - Step 5: Solve for x
x = 106,445,037,780,855,648/373,685,682.75 - Step 6: Final answer
x = 284,851,795.76
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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.