Home / 437,445,612.70-656,168,419.05-404,189,215.90

Finding the Fourth Proportional to 437,445,612.70, 656,168,419.05 and 404,189,215.90

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Solution

The fourth proportional to 437,445,612.70, 656,168,419.05 and 404,189,215.90 is: 606,283,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,445,612.70 : 656,168,419.05 = 404,189,215.90 : x
  2. Step 2: Convert to fraction form
    437,445,612.70/656,168,419.05 = 404,189,215.90/x
  3. Step 3: Cross multiply
    437,445,612.70x = 656,168,419.05 × 404,189,215.90
  4. Step 4: Simplify right side
    437,445,612.70x = 265,216,198,794,162,080
  5. Step 5: Solve for x
    x = 265,216,198,794,162,080/437,445,612.70
  6. Step 6: Final answer
    x = 606,283,823.85

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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.