Home / 331,109,787,764.15-457,016,523,704.43-215,654,252,197.57

Finding the Fourth Proportional to 331,109,787,764.15, 457,016,523,704.43 and 215,654,252,197.57

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Solution

The fourth proportional to 331,109,787,764.15, 457,016,523,704.43 and 215,654,252,197.57 is: 297,658,239,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,109,787,764.15 : 457,016,523,704.43 = 215,654,252,197.57 : x
  2. Step 2: Convert to fraction form
    331,109,787,764.15/457,016,523,704.43 = 215,654,252,197.57/x
  3. Step 3: Cross multiply
    331,109,787,764.15x = 457,016,523,704.43 × 215,654,252,197.57
  4. Step 4: Simplify right side
    331,109,787,764.15x = 98,557,556,661,411,878,273,024
  5. Step 5: Solve for x
    x = 98,557,556,661,411,878,273,024/331,109,787,764.15
  6. Step 6: Final answer
    x = 297,658,239,966.06

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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.