Home / 447,287,091.38-617,248,816.72-261,679,550.66

Finding the Fourth Proportional to 447,287,091.38, 617,248,816.72 and 261,679,550.66

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Solution

The fourth proportional to 447,287,091.38, 617,248,816.72 and 261,679,550.66 is: 361,113,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,287,091.38 : 617,248,816.72 = 261,679,550.66 : x
  2. Step 2: Convert to fraction form
    447,287,091.38/617,248,816.72 = 261,679,550.66/x
  3. Step 3: Cross multiply
    447,287,091.38x = 617,248,816.72 × 261,679,550.66
  4. Step 4: Simplify right side
    447,287,091.38x = 161,521,393,000,965,856
  5. Step 5: Solve for x
    x = 161,521,393,000,965,856/447,287,091.38
  6. Step 6: Final answer
    x = 361,113,468.54

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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.