Home / 447,965,666.69-618,229,414.85-247,061,839.73

Finding the Fourth Proportional to 447,965,666.69, 618,229,414.85 and 247,061,839.73

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Solution

The fourth proportional to 447,965,666.69, 618,229,414.85 and 247,061,839.73 is: 340,965,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,965,666.69 : 618,229,414.85 = 247,061,839.73 : x
  2. Step 2: Convert to fraction form
    447,965,666.69/618,229,414.85 = 247,061,839.73/x
  3. Step 3: Cross multiply
    447,965,666.69x = 618,229,414.85 × 247,061,839.73
  4. Step 4: Simplify right side
    447,965,666.69x = 152,740,896,603,715,936
  5. Step 5: Solve for x
    x = 152,740,896,603,715,936/447,965,666.69
  6. Step 6: Final answer
    x = 340,965,631.88

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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.