Home / 382,485,229.80-573,727,844.70-123,726,606.90

Finding the Fourth Proportional to 382,485,229.80, 573,727,844.70 and 123,726,606.90

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Solution

The fourth proportional to 382,485,229.80, 573,727,844.70 and 123,726,606.90 is: 185,589,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,485,229.80 : 573,727,844.70 = 123,726,606.90 : x
  2. Step 2: Convert to fraction form
    382,485,229.80/573,727,844.70 = 123,726,606.90/x
  3. Step 3: Cross multiply
    382,485,229.80x = 573,727,844.70 × 123,726,606.90
  4. Step 4: Simplify right side
    382,485,229.80x = 70,985,399,508,781,160
  5. Step 5: Solve for x
    x = 70,985,399,508,781,160/382,485,229.80
  6. Step 6: Final answer
    x = 185,589,910.35

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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.