Home / 413,296,003.27-619,944,857.84-388,041,926.95

Finding the Fourth Proportional to 413,296,003.27, 619,944,857.84 and 388,041,926.95

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Solution

The fourth proportional to 413,296,003.27, 619,944,857.84 and 388,041,926.95 is: 582,063,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,296,003.27 : 619,944,857.84 = 388,041,926.95 : x
  2. Step 2: Convert to fraction form
    413,296,003.27/619,944,857.84 = 388,041,926.95/x
  3. Step 3: Cross multiply
    413,296,003.27x = 619,944,857.84 × 388,041,926.95
  4. Step 4: Simplify right side
    413,296,003.27x = 240,564,597,238,977,408
  5. Step 5: Solve for x
    x = 240,564,597,238,977,408/413,296,003.27
  6. Step 6: Final answer
    x = 582,063,691.24

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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.