Home / 498,615,930.30-747,923,895.45-314,949,920.70

Finding the Fourth Proportional to 498,615,930.30, 747,923,895.45 and 314,949,920.70

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Solution

The fourth proportional to 498,615,930.30, 747,923,895.45 and 314,949,920.70 is: 472,424,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,615,930.30 : 747,923,895.45 = 314,949,920.70 : x
  2. Step 2: Convert to fraction form
    498,615,930.30/747,923,895.45 = 314,949,920.70/x
  3. Step 3: Cross multiply
    498,615,930.30x = 747,923,895.45 × 314,949,920.70
  4. Step 4: Simplify right side
    498,615,930.30x = 235,558,571,561,612,608
  5. Step 5: Solve for x
    x = 235,558,571,561,612,608/498,615,930.30
  6. Step 6: Final answer
    x = 472,424,881.05

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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.