Home / 378,377,630.40-567,650,426.40-173,856,388.80

Finding the Fourth Proportional to 378,377,630.40, 567,650,426.40 and 173,856,388.80

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Solution

The fourth proportional to 378,377,630.40, 567,650,426.40 and 173,856,388.80 is: 260,823,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,377,630.40 : 567,650,426.40 = 173,856,388.80 : x
  2. Step 2: Convert to fraction form
    378,377,630.40/567,650,426.40 = 173,856,388.80/x
  3. Step 3: Cross multiply
    378,377,630.40x = 567,650,426.40 × 173,856,388.80
  4. Step 4: Simplify right side
    378,377,630.40x = 98,689,653,234,684,192
  5. Step 5: Solve for x
    x = 98,689,653,234,684,192/378,377,630.40
  6. Step 6: Final answer
    x = 260,823,170.57

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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.