Home / 949,480,305.60-1,423,086,717.60-489,181,540.80

Finding the Fourth Proportional to 949,480,305.60, 1,423,086,717.60 and 489,181,540.80

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Solution

The fourth proportional to 949,480,305.60, 1,423,086,717.60 and 489,181,540.80 is: 733,188,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,480,305.60 : 1,423,086,717.60 = 489,181,540.80 : x
  2. Step 2: Convert to fraction form
    949,480,305.60/1,423,086,717.60 = 489,181,540.80/x
  3. Step 3: Cross multiply
    949,480,305.60x = 1,423,086,717.60 × 489,181,540.80
  4. Step 4: Simplify right side
    949,480,305.60x = 696,147,753,207,582,464
  5. Step 5: Solve for x
    x = 696,147,753,207,582,464/949,480,305.60
  6. Step 6: Final answer
    x = 733,188,196.85

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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.