Home / 418,051,999.83-576,948,520.09-229,913,447.12

Finding the Fourth Proportional to 418,051,999.83, 576,948,520.09 and 229,913,447.12

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Solution

The fourth proportional to 418,051,999.83, 576,948,520.09 and 229,913,447.12 is: 317,300,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,051,999.83 : 576,948,520.09 = 229,913,447.12 : x
  2. Step 2: Convert to fraction form
    418,051,999.83/576,948,520.09 = 229,913,447.12/x
  3. Step 3: Cross multiply
    418,051,999.83x = 576,948,520.09 × 229,913,447.12
  4. Step 4: Simplify right side
    418,051,999.83x = 132,648,223,062,935,904
  5. Step 5: Solve for x
    x = 132,648,223,062,935,904/418,051,999.83
  6. Step 6: Final answer
    x = 317,300,773.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.