Home / 442,856,714.70-664,281,572.85-115,331,594.70

Finding the Fourth Proportional to 442,856,714.70, 664,281,572.85 and 115,331,594.70

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Solution

The fourth proportional to 442,856,714.70, 664,281,572.85 and 115,331,594.70 is: 172,996,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,856,714.70 : 664,281,572.85 = 115,331,594.70 : x
  2. Step 2: Convert to fraction form
    442,856,714.70/664,281,572.85 = 115,331,594.70/x
  3. Step 3: Cross multiply
    442,856,714.70x = 664,281,572.85 × 115,331,594.70
  4. Step 4: Simplify right side
    442,856,714.70x = 76,612,653,126,614,736
  5. Step 5: Solve for x
    x = 76,612,653,126,614,736/442,856,714.70
  6. Step 6: Final answer
    x = 172,996,480.77

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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.