Home / 2,778,381,963.60-4,163,989,764.60-2,128,930,443.60

Finding the Fourth Proportional to 2,778,381,963.60, 4,163,989,764.60 and 2,128,930,443.60

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Solution

The fourth proportional to 2,778,381,963.60, 4,163,989,764.60 and 2,128,930,443.60 is: 3,190,650,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,381,963.60 : 4,163,989,764.60 = 2,128,930,443.60 : x
  2. Step 2: Convert to fraction form
    2,778,381,963.60/4,163,989,764.60 = 2,128,930,443.60/x
  3. Step 3: Cross multiply
    2,778,381,963.60x = 4,163,989,764.60 × 2,128,930,443.60
  4. Step 4: Simplify right side
    2,778,381,963.60x = 8,864,844,576,695,737,344
  5. Step 5: Solve for x
    x = 8,864,844,576,695,737,344/2,778,381,963.60
  6. Step 6: Final answer
    x = 3,190,650,059.22

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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.