Home / 534,133,032.10-801,199,548.15-485,665,612.90

Finding the Fourth Proportional to 534,133,032.10, 801,199,548.15 and 485,665,612.90

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Solution

The fourth proportional to 534,133,032.10, 801,199,548.15 and 485,665,612.90 is: 728,498,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,133,032.10 : 801,199,548.15 = 485,665,612.90 : x
  2. Step 2: Convert to fraction form
    534,133,032.10/801,199,548.15 = 485,665,612.90/x
  3. Step 3: Cross multiply
    534,133,032.10x = 801,199,548.15 × 485,665,612.90
  4. Step 4: Simplify right side
    534,133,032.10x = 389,115,069,607,472,768
  5. Step 5: Solve for x
    x = 389,115,069,607,472,768/534,133,032.10
  6. Step 6: Final answer
    x = 728,498,419.35

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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.