Home / 442,854,420.30-664,281,630.45-170,234,081.10

Finding the Fourth Proportional to 442,854,420.30, 664,281,630.45 and 170,234,081.10

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Solution

The fourth proportional to 442,854,420.30, 664,281,630.45 and 170,234,081.10 is: 255,351,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,854,420.30 : 664,281,630.45 = 170,234,081.10 : x
  2. Step 2: Convert to fraction form
    442,854,420.30/664,281,630.45 = 170,234,081.10/x
  3. Step 3: Cross multiply
    442,854,420.30x = 664,281,630.45 × 170,234,081.10
  4. Step 4: Simplify right side
    442,854,420.30x = 113,083,372,951,265,536
  5. Step 5: Solve for x
    x = 113,083,372,951,265,536/442,854,420.30
  6. Step 6: Final answer
    x = 255,351,121.65

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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.