Home / 547,141,375.11-820,762,514.30-178,678,257.72

Finding the Fourth Proportional to 547,141,375.11, 820,762,514.30 and 178,678,257.72

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Solution

The fourth proportional to 547,141,375.11, 820,762,514.30 and 178,678,257.72 is: 268,033,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,141,375.11 : 820,762,514.30 = 178,678,257.72 : x
  2. Step 2: Convert to fraction form
    547,141,375.11/820,762,514.30 = 178,678,257.72/x
  3. Step 3: Cross multiply
    547,141,375.11x = 820,762,514.30 × 178,678,257.72
  4. Step 4: Simplify right side
    547,141,375.11x = 146,652,416,056,117,184
  5. Step 5: Solve for x
    x = 146,652,416,056,117,184/547,141,375.11
  6. Step 6: Final answer
    x = 268,033,862.41

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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.