Home / 442,905,613.20-664,354,920.60-115,380,493.20

Finding the Fourth Proportional to 442,905,613.20, 664,354,920.60 and 115,380,493.20

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Solution

The fourth proportional to 442,905,613.20, 664,354,920.60 and 115,380,493.20 is: 173,069,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,905,613.20 : 664,354,920.60 = 115,380,493.20 : x
  2. Step 2: Convert to fraction form
    442,905,613.20/664,354,920.60 = 115,380,493.20/x
  3. Step 3: Cross multiply
    442,905,613.20x = 664,354,920.60 × 115,380,493.20
  4. Step 4: Simplify right side
    442,905,613.20x = 76,653,598,398,674,848
  5. Step 5: Solve for x
    x = 76,653,598,398,674,848/442,905,613.20
  6. Step 6: Final answer
    x = 173,069,828.23

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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.