Home / 381,476,365.20-571,448,392.92-173,929,279.26

Finding the Fourth Proportional to 381,476,365.20, 571,448,392.92 and 173,929,279.26

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Solution

The fourth proportional to 381,476,365.20, 571,448,392.92 and 173,929,279.26 is: 260,544,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,476,365.20 : 571,448,392.92 = 173,929,279.26 : x
  2. Step 2: Convert to fraction form
    381,476,365.20/571,448,392.92 = 173,929,279.26/x
  3. Step 3: Cross multiply
    381,476,365.20x = 571,448,392.92 × 173,929,279.26
  4. Step 4: Simplify right side
    381,476,365.20x = 99,391,607,114,860,880
  5. Step 5: Solve for x
    x = 99,391,607,114,860,880/381,476,365.20
  6. Step 6: Final answer
    x = 260,544,600.35

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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.