Home / 417,251,449.08-625,622,081.90-198,968,553.72

Finding the Fourth Proportional to 417,251,449.08, 625,622,081.90 and 198,968,553.72

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Solution

The fourth proportional to 417,251,449.08, 625,622,081.90 and 198,968,553.72 is: 298,331,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,251,449.08 : 625,622,081.90 = 198,968,553.72 : x
  2. Step 2: Convert to fraction form
    417,251,449.08/625,622,081.90 = 198,968,553.72/x
  3. Step 3: Cross multiply
    417,251,449.08x = 625,622,081.90 × 198,968,553.72
  4. Step 4: Simplify right side
    417,251,449.08x = 124,479,120,810,938,384
  5. Step 5: Solve for x
    x = 124,479,120,810,938,384/417,251,449.08
  6. Step 6: Final answer
    x = 298,331,188.75

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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.