Home / 2,214,342,994.20-3,321,992,788.20-661,791,256.80

Finding the Fourth Proportional to 2,214,342,994.20, 3,321,992,788.20 and 661,791,256.80

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Solution

The fourth proportional to 2,214,342,994.20, 3,321,992,788.20 and 661,791,256.80 is: 992,829,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,342,994.20 : 3,321,992,788.20 = 661,791,256.80 : x
  2. Step 2: Convert to fraction form
    2,214,342,994.20/3,321,992,788.20 = 661,791,256.80/x
  3. Step 3: Cross multiply
    2,214,342,994.20x = 3,321,992,788.20 × 661,791,256.80
  4. Step 4: Simplify right side
    2,214,342,994.20x = 2,198,465,782,383,414,016
  5. Step 5: Solve for x
    x = 2,198,465,782,383,414,016/2,214,342,994.20
  6. Step 6: Final answer
    x = 992,829,831.76

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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.