Home / 408,998,380.79-613,558,114.89-150,193,422.97

Finding the Fourth Proportional to 408,998,380.79, 613,558,114.89 and 150,193,422.97

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Solution

The fourth proportional to 408,998,380.79, 613,558,114.89 and 150,193,422.97 is: 225,312,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,998,380.79 : 613,558,114.89 = 150,193,422.97 : x
  2. Step 2: Convert to fraction form
    408,998,380.79/613,558,114.89 = 150,193,422.97/x
  3. Step 3: Cross multiply
    408,998,380.79x = 613,558,114.89 × 150,193,422.97
  4. Step 4: Simplify right side
    408,998,380.79x = 92,152,393,462,530,864
  5. Step 5: Solve for x
    x = 92,152,393,462,530,864/408,998,380.79
  6. Step 6: Final answer
    x = 225,312,367.46

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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.