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Finding the Fourth Proportional to 341,876,468.80, 512,814,703.20 and 307,836,251.20

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Solution

The fourth proportional to 341,876,468.80, 512,814,703.20 and 307,836,251.20 is: 461,754,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,876,468.80 : 512,814,703.20 = 307,836,251.20 : x
  2. Step 2: Convert to fraction form
    341,876,468.80/512,814,703.20 = 307,836,251.20/x
  3. Step 3: Cross multiply
    341,876,468.80x = 512,814,703.20 × 307,836,251.20
  4. Step 4: Simplify right side
    341,876,468.80x = 157,862,955,793,328,640
  5. Step 5: Solve for x
    x = 157,862,955,793,328,640/341,876,468.80
  6. Step 6: Final answer
    x = 461,754,376.80

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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.