Home / 382,474,920.30-573,712,380.45-123,875,729.70

Finding the Fourth Proportional to 382,474,920.30, 573,712,380.45 and 123,875,729.70

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Solution

The fourth proportional to 382,474,920.30, 573,712,380.45 and 123,875,729.70 is: 185,813,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,474,920.30 : 573,712,380.45 = 123,875,729.70 : x
  2. Step 2: Convert to fraction form
    382,474,920.30/573,712,380.45 = 123,875,729.70/x
  3. Step 3: Cross multiply
    382,474,920.30x = 573,712,380.45 × 123,875,729.70
  4. Step 4: Simplify right side
    382,474,920.30x = 71,069,039,766,167,768
  5. Step 5: Solve for x
    x = 71,069,039,766,167,768/382,474,920.30
  6. Step 6: Final answer
    x = 185,813,594.55

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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.