Home / 331,109,787,774.54-457,016,523,718.82-215,654,252,207.97

Finding the Fourth Proportional to 331,109,787,774.54, 457,016,523,718.82 and 215,654,252,207.97

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Solution

The fourth proportional to 331,109,787,774.54, 457,016,523,718.82 and 215,654,252,207.97 is: 297,658,239,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,109,787,774.54 : 457,016,523,718.82 = 215,654,252,207.97 : x
  2. Step 2: Convert to fraction form
    331,109,787,774.54/457,016,523,718.82 = 215,654,252,207.97/x
  3. Step 3: Cross multiply
    331,109,787,774.54x = 457,016,523,718.82 × 215,654,252,207.97
  4. Step 4: Simplify right side
    331,109,787,774.54x = 98,557,556,669,268,111,654,912
  5. Step 5: Solve for x
    x = 98,557,556,669,268,111,654,912/331,109,787,774.54
  6. Step 6: Final answer
    x = 297,658,239,980.45

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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.