Home / 987,140,722.14-1,480,877,553.20-331,935,998.13

Finding the Fourth Proportional to 987,140,722.14, 1,480,877,553.20 and 331,935,998.13

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Solution

The fourth proportional to 987,140,722.14, 1,480,877,553.20 and 331,935,998.13 is: 497,959,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,140,722.14 : 1,480,877,553.20 = 331,935,998.13 : x
  2. Step 2: Convert to fraction form
    987,140,722.14/1,480,877,553.20 = 331,935,998.13/x
  3. Step 3: Cross multiply
    987,140,722.14x = 1,480,877,553.20 × 331,935,998.13
  4. Step 4: Simplify right side
    987,140,722.14x = 491,556,568,728,094,464
  5. Step 5: Solve for x
    x = 491,556,568,728,094,464/987,140,722.14
  6. Step 6: Final answer
    x = 497,959,974.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.