Home / 339,968,497.20-509,952,745.80-271,944,049.20

Finding the Fourth Proportional to 339,968,497.20, 509,952,745.80 and 271,944,049.20

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Solution

The fourth proportional to 339,968,497.20, 509,952,745.80 and 271,944,049.20 is: 407,916,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,968,497.20 : 509,952,745.80 = 271,944,049.20 : x
  2. Step 2: Convert to fraction form
    339,968,497.20/509,952,745.80 = 271,944,049.20/x
  3. Step 3: Cross multiply
    339,968,497.20x = 509,952,745.80 × 271,944,049.20
  4. Step 4: Simplify right side
    339,968,497.20x = 138,678,614,593,510,288
  5. Step 5: Solve for x
    x = 138,678,614,593,510,288/339,968,497.20
  6. Step 6: Final answer
    x = 407,916,073.80

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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.