Home / 1,978,725,593.10-2,971,017,220.05-1,107,067,874.70

Finding the Fourth Proportional to 1,978,725,593.10, 2,971,017,220.05 and 1,107,067,874.70

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Solution

The fourth proportional to 1,978,725,593.10, 2,971,017,220.05 and 1,107,067,874.70 is: 1,662,240,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,725,593.10 : 2,971,017,220.05 = 1,107,067,874.70 : x
  2. Step 2: Convert to fraction form
    1,978,725,593.10/2,971,017,220.05 = 1,107,067,874.70/x
  3. Step 3: Cross multiply
    1,978,725,593.10x = 2,971,017,220.05 × 1,107,067,874.70
  4. Step 4: Simplify right side
    1,978,725,593.10x = 3,289,117,719,497,856,000
  5. Step 5: Solve for x
    x = 3,289,117,719,497,856,000/1,978,725,593.10
  6. Step 6: Final answer
    x = 1,662,240,449.59

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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.