Home / 331,109,787,766.97-457,016,523,708.33-215,654,252,200.39

Finding the Fourth Proportional to 331,109,787,766.97, 457,016,523,708.33 and 215,654,252,200.39

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Solution

The fourth proportional to 331,109,787,766.97, 457,016,523,708.33 and 215,654,252,200.39 is: 297,658,239,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,109,787,766.97 : 457,016,523,708.33 = 215,654,252,200.39 : x
  2. Step 2: Convert to fraction form
    331,109,787,766.97/457,016,523,708.33 = 215,654,252,200.39/x
  3. Step 3: Cross multiply
    331,109,787,766.97x = 457,016,523,708.33 × 215,654,252,200.39
  4. Step 4: Simplify right side
    331,109,787,766.97x = 98,557,556,663,541,729,067,008
  5. Step 5: Solve for x
    x = 98,557,556,663,541,729,067,008/331,109,787,766.97
  6. Step 6: Final answer
    x = 297,658,239,969.96

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1.5x scale

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.