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Finding the Fourth Proportional to 284,256,471.20, 426,384,706.80 and 284,256,471.20

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Solution

The fourth proportional to 284,256,471.20, 426,384,706.80 and 284,256,471.20 is: 426,384,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,256,471.20 : 426,384,706.80 = 284,256,471.20 : x
  2. Step 2: Convert to fraction form
    284,256,471.20/426,384,706.80 = 284,256,471.20/x
  3. Step 3: Cross multiply
    284,256,471.20x = 426,384,706.80 × 284,256,471.20
  4. Step 4: Simplify right side
    284,256,471.20x = 121,202,612,128,614,640
  5. Step 5: Solve for x
    x = 121,202,612,128,614,640/284,256,471.20
  6. Step 6: Final answer
    x = 426,384,706.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.