Home / 498,639,512.10-747,959,268.15-292,015,251.30

Finding the Fourth Proportional to 498,639,512.10, 747,959,268.15 and 292,015,251.30

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Solution

The fourth proportional to 498,639,512.10, 747,959,268.15 and 292,015,251.30 is: 438,022,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,639,512.10 : 747,959,268.15 = 292,015,251.30 : x
  2. Step 2: Convert to fraction form
    498,639,512.10/747,959,268.15 = 292,015,251.30/x
  3. Step 3: Cross multiply
    498,639,512.10x = 747,959,268.15 × 292,015,251.30
  4. Step 4: Simplify right side
    498,639,512.10x = 218,415,513,650,986,336
  5. Step 5: Solve for x
    x = 218,415,513,650,986,336/498,639,512.10
  6. Step 6: Final answer
    x = 438,022,876.95

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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.