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Finding the Fourth Proportional to 378,329,839.50, 567,658,592.54 and 203,248,594.95

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Solution

The fourth proportional to 378,329,839.50, 567,658,592.54 and 203,248,594.95 is: 304,960,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,329,839.50 : 567,658,592.54 = 203,248,594.95 : x
  2. Step 2: Convert to fraction form
    378,329,839.50/567,658,592.54 = 203,248,594.95/x
  3. Step 3: Cross multiply
    378,329,839.50x = 567,658,592.54 × 203,248,594.95
  4. Step 4: Simplify right side
    378,329,839.50x = 115,375,811,345,049,536
  5. Step 5: Solve for x
    x = 115,375,811,345,049,536/378,329,839.50
  6. Step 6: Final answer
    x = 304,960,907.91

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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.