Home / 487,206,327.13-730,517,638.92-155,069,870.24

Finding the Fourth Proportional to 487,206,327.13, 730,517,638.92 and 155,069,870.24

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Solution

The fourth proportional to 487,206,327.13, 730,517,638.92 and 155,069,870.24 is: 232,511,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,206,327.13 : 730,517,638.92 = 155,069,870.24 : x
  2. Step 2: Convert to fraction form
    487,206,327.13/730,517,638.92 = 155,069,870.24/x
  3. Step 3: Cross multiply
    487,206,327.13x = 730,517,638.92 × 155,069,870.24
  4. Step 4: Simplify right side
    487,206,327.13x = 113,281,275,476,595,696
  5. Step 5: Solve for x
    x = 113,281,275,476,595,696/487,206,327.13
  6. Step 6: Final answer
    x = 232,511,913.68

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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.