Home / 2,139,447,796.60-3,209,171,694.90-1,948,979,342.20

Finding the Fourth Proportional to 2,139,447,796.60, 3,209,171,694.90 and 1,948,979,342.20

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Solution

The fourth proportional to 2,139,447,796.60, 3,209,171,694.90 and 1,948,979,342.20 is: 2,923,469,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,447,796.60 : 3,209,171,694.90 = 1,948,979,342.20 : x
  2. Step 2: Convert to fraction form
    2,139,447,796.60/3,209,171,694.90 = 1,948,979,342.20/x
  3. Step 3: Cross multiply
    2,139,447,796.60x = 3,209,171,694.90 × 1,948,979,342.20
  4. Step 4: Simplify right side
    2,139,447,796.60x = 6,254,609,338,933,061,632
  5. Step 5: Solve for x
    x = 6,254,609,338,933,061,632/2,139,447,796.60
  6. Step 6: Final answer
    x = 2,923,469,013.30

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Double scale
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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.