Home / 339,682,321.90-508,767,655.65-279,216,145.90

Finding the Fourth Proportional to 339,682,321.90, 508,767,655.65 and 279,216,145.90

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Solution

The fourth proportional to 339,682,321.90, 508,767,655.65 and 279,216,145.90 is: 418,202,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,682,321.90 : 508,767,655.65 = 279,216,145.90 : x
  2. Step 2: Convert to fraction form
    339,682,321.90/508,767,655.65 = 279,216,145.90/x
  3. Step 3: Cross multiply
    339,682,321.90x = 508,767,655.65 × 279,216,145.90
  4. Step 4: Simplify right side
    339,682,321.90x = 142,056,143,969,171,344
  5. Step 5: Solve for x
    x = 142,056,143,969,171,344/339,682,321.90
  6. Step 6: Final answer
    x = 418,202,934.95

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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.