Home / 316,253,387.22-473,762,280.05-217,867,714.89

Finding the Fourth Proportional to 316,253,387.22, 473,762,280.05 and 217,867,714.89

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Solution

The fourth proportional to 316,253,387.22, 473,762,280.05 and 217,867,714.89 is: 326,375,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,253,387.22 : 473,762,280.05 = 217,867,714.89 : x
  2. Step 2: Convert to fraction form
    316,253,387.22/473,762,280.05 = 217,867,714.89/x
  3. Step 3: Cross multiply
    316,253,387.22x = 473,762,280.05 × 217,867,714.89
  4. Step 4: Simplify right side
    316,253,387.22x = 103,217,505,353,200,928
  5. Step 5: Solve for x
    x = 103,217,505,353,200,928/316,253,387.22
  6. Step 6: Final answer
    x = 326,375,967.90

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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.