Home / 534,133,382.60-801,200,073.90-485,665,963.40

Finding the Fourth Proportional to 534,133,382.60, 801,200,073.90 and 485,665,963.40

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Solution

The fourth proportional to 534,133,382.60, 801,200,073.90 and 485,665,963.40 is: 728,498,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,133,382.60 : 801,200,073.90 = 485,665,963.40 : x
  2. Step 2: Convert to fraction form
    534,133,382.60/801,200,073.90 = 485,665,963.40/x
  3. Step 3: Cross multiply
    534,133,382.60x = 801,200,073.90 × 485,665,963.40
  4. Step 4: Simplify right side
    534,133,382.60x = 389,115,605,766,794,688
  5. Step 5: Solve for x
    x = 389,115,605,766,794,688/534,133,382.60
  6. Step 6: Final answer
    x = 728,498,945.10

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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.