Home / 442,717,102.20-664,274,718.90-200,255,201.40

Finding the Fourth Proportional to 442,717,102.20, 664,274,718.90 and 200,255,201.40

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Solution

The fourth proportional to 442,717,102.20, 664,274,718.90 and 200,255,201.40 is: 300,472,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,717,102.20 : 664,274,718.90 = 200,255,201.40 : x
  2. Step 2: Convert to fraction form
    442,717,102.20/664,274,718.90 = 200,255,201.40/x
  3. Step 3: Cross multiply
    442,717,102.20x = 664,274,718.90 × 200,255,201.40
  4. Step 4: Simplify right side
    442,717,102.20x = 133,024,467,618,247,888
  5. Step 5: Solve for x
    x = 133,024,467,618,247,888/442,717,102.20
  6. Step 6: Final answer
    x = 300,472,845.88

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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.