Home / 729,759,294.57-1,007,067,507.48-395,231,833.92

Finding the Fourth Proportional to 729,759,294.57, 1,007,067,507.48 and 395,231,833.92

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Solution

The fourth proportional to 729,759,294.57, 1,007,067,507.48 and 395,231,833.92 is: 545,419,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,759,294.57 : 1,007,067,507.48 = 395,231,833.92 : x
  2. Step 2: Convert to fraction form
    729,759,294.57/1,007,067,507.48 = 395,231,833.92/x
  3. Step 3: Cross multiply
    729,759,294.57x = 1,007,067,507.48 × 395,231,833.92
  4. Step 4: Simplify right side
    729,759,294.57x = 398,025,137,862,563,712
  5. Step 5: Solve for x
    x = 398,025,137,862,563,712/729,759,294.57
  6. Step 6: Final answer
    x = 545,419,758.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.