Home / 502,023,999.90-753,035,999.85-178,791,231.90

Finding the Fourth Proportional to 502,023,999.90, 753,035,999.85 and 178,791,231.90

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Solution

The fourth proportional to 502,023,999.90, 753,035,999.85 and 178,791,231.90 is: 268,186,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,023,999.90 : 753,035,999.85 = 178,791,231.90 : x
  2. Step 2: Convert to fraction form
    502,023,999.90/753,035,999.85 = 178,791,231.90/x
  3. Step 3: Cross multiply
    502,023,999.90x = 753,035,999.85 × 178,791,231.90
  4. Step 4: Simplify right side
    502,023,999.90x = 134,636,234,078,229,728
  5. Step 5: Solve for x
    x = 134,636,234,078,229,728/502,023,999.90
  6. Step 6: Final answer
    x = 268,186,847.85

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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.