Home / 338,494,037.12-467,188,761.12-219,564,013.76

Finding the Fourth Proportional to 338,494,037.12, 467,188,761.12 and 219,564,013.76

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Solution

The fourth proportional to 338,494,037.12, 467,188,761.12 and 219,564,013.76 is: 303,041,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,494,037.12 : 467,188,761.12 = 219,564,013.76 : x
  2. Step 2: Convert to fraction form
    338,494,037.12/467,188,761.12 = 219,564,013.76/x
  3. Step 3: Cross multiply
    338,494,037.12x = 467,188,761.12 × 219,564,013.76
  4. Step 4: Simplify right side
    338,494,037.12x = 102,577,839,575,069,024
  5. Step 5: Solve for x
    x = 102,577,839,575,069,024/338,494,037.12
  6. Step 6: Final answer
    x = 303,041,791.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.