Home / 2,214,342,949.20-3,321,992,720.70-661,791,211.80

Finding the Fourth Proportional to 2,214,342,949.20, 3,321,992,720.70 and 661,791,211.80

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Solution

The fourth proportional to 2,214,342,949.20, 3,321,992,720.70 and 661,791,211.80 is: 992,829,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,342,949.20 : 3,321,992,720.70 = 661,791,211.80 : x
  2. Step 2: Convert to fraction form
    2,214,342,949.20/3,321,992,720.70 = 661,791,211.80/x
  3. Step 3: Cross multiply
    2,214,342,949.20x = 3,321,992,720.70 × 661,791,211.80
  4. Step 4: Simplify right side
    2,214,342,949.20x = 2,198,465,588,222,831,616
  5. Step 5: Solve for x
    x = 2,198,465,588,222,831,616/2,214,342,949.20
  6. Step 6: Final answer
    x = 992,829,764.25

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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.