Finding the Fourth Proportional to 495,055,819.71, 683,182,469.09 and 272,037,559.05
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Solution
The fourth proportional to 495,055,819.71, 683,182,469.09 and 272,037,559.05 is: 375,414,819.66
Step by Step Solution
- Step 1: Write the proportion equation
495,055,819.71 : 683,182,469.09 = 272,037,559.05 : x - Step 2: Convert to fraction form
495,055,819.71/683,182,469.09 = 272,037,559.05/x - Step 3: Cross multiply
495,055,819.71x = 683,182,469.09 × 272,037,559.05 - Step 4: Simplify right side
495,055,819.71x = 185,851,291,277,675,776 - Step 5: Solve for x
x = 185,851,291,277,675,776/495,055,819.71 - Step 6: Final answer
x = 375,414,819.66
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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.