Home / 1,987,753,786.13-2,743,222,951.28-1,095,678,500.60

Finding the Fourth Proportional to 1,987,753,786.13, 2,743,222,951.28 and 1,095,678,500.60

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Solution

The fourth proportional to 1,987,753,786.13, 2,743,222,951.28 and 1,095,678,500.60 is: 1,512,103,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,753,786.13 : 2,743,222,951.28 = 1,095,678,500.60 : x
  2. Step 2: Convert to fraction form
    1,987,753,786.13/2,743,222,951.28 = 1,095,678,500.60/x
  3. Step 3: Cross multiply
    1,987,753,786.13x = 2,743,222,951.28 × 1,095,678,500.60
  4. Step 4: Simplify right side
    1,987,753,786.13x = 3,005,690,410,059,000,320
  5. Step 5: Solve for x
    x = 3,005,690,410,059,000,320/1,987,753,786.13
  6. Step 6: Final answer
    x = 1,512,103,979.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.