Home / 331,109,787,765.65-457,016,523,706.50-215,654,252,199.07

Finding the Fourth Proportional to 331,109,787,765.65, 457,016,523,706.50 and 215,654,252,199.07

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Solution

The fourth proportional to 331,109,787,765.65, 457,016,523,706.50 and 215,654,252,199.07 is: 297,658,239,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,109,787,765.65 : 457,016,523,706.50 = 215,654,252,199.07 : x
  2. Step 2: Convert to fraction form
    331,109,787,765.65/457,016,523,706.50 = 215,654,252,199.07/x
  3. Step 3: Cross multiply
    331,109,787,765.65x = 457,016,523,706.50 × 215,654,252,199.07
  4. Step 4: Simplify right side
    331,109,787,765.65x = 98,557,556,662,543,803,482,112
  5. Step 5: Solve for x
    x = 98,557,556,662,543,803,482,112/331,109,787,765.65
  6. Step 6: Final answer
    x = 297,658,239,968.13

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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.