Home / 331,109,787,764.64-457,016,523,705.13-215,654,252,198.07

Finding the Fourth Proportional to 331,109,787,764.64, 457,016,523,705.13 and 215,654,252,198.07

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Solution

The fourth proportional to 331,109,787,764.64, 457,016,523,705.13 and 215,654,252,198.07 is: 297,658,239,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,109,787,764.64 : 457,016,523,705.13 = 215,654,252,198.07 : x
  2. Step 2: Convert to fraction form
    331,109,787,764.64/457,016,523,705.13 = 215,654,252,198.07/x
  3. Step 3: Cross multiply
    331,109,787,764.64x = 457,016,523,705.13 × 215,654,252,198.07
  4. Step 4: Simplify right side
    331,109,787,764.64x = 98,557,556,661,791,345,344,512
  5. Step 5: Solve for x
    x = 98,557,556,661,791,345,344,512/331,109,787,764.64
  6. Step 6: Final answer
    x = 297,658,239,966.76

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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.