Home / 481,173,044.52-664,019,442.18-261,156,498.60

Finding the Fourth Proportional to 481,173,044.52, 664,019,442.18 and 261,156,498.60

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Solution

The fourth proportional to 481,173,044.52, 664,019,442.18 and 261,156,498.60 is: 360,396,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,173,044.52 : 664,019,442.18 = 261,156,498.60 : x
  2. Step 2: Convert to fraction form
    481,173,044.52/664,019,442.18 = 261,156,498.60/x
  3. Step 3: Cross multiply
    481,173,044.52x = 664,019,442.18 × 261,156,498.60
  4. Step 4: Simplify right side
    481,173,044.52x = 173,412,992,522,053,920
  5. Step 5: Solve for x
    x = 173,412,992,522,053,920/481,173,044.52
  6. Step 6: Final answer
    x = 360,396,315.83

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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.