Home / 391,842,291.25-587,399,563.81-173,375,950.33

Finding the Fourth Proportional to 391,842,291.25, 587,399,563.81 and 173,375,950.33

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Solution

The fourth proportional to 391,842,291.25, 587,399,563.81 and 173,375,950.33 is: 259,902,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,842,291.25 : 587,399,563.81 = 173,375,950.33 : x
  2. Step 2: Convert to fraction form
    391,842,291.25/587,399,563.81 = 173,375,950.33/x
  3. Step 3: Cross multiply
    391,842,291.25x = 587,399,563.81 × 173,375,950.33
  4. Step 4: Simplify right side
    391,842,291.25x = 101,840,957,595,182,336
  5. Step 5: Solve for x
    x = 101,840,957,595,182,336/391,842,291.25
  6. Step 6: Final answer
    x = 259,902,924.90

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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.