Home / 1,027,082,019.78-1,541,619,272.68-495,667,422.42

Finding the Fourth Proportional to 1,027,082,019.78, 1,541,619,272.68 and 495,667,422.42

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Solution

The fourth proportional to 1,027,082,019.78, 1,541,619,272.68 and 495,667,422.42 is: 743,981,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,082,019.78 : 1,541,619,272.68 = 495,667,422.42 : x
  2. Step 2: Convert to fraction form
    1,027,082,019.78/1,541,619,272.68 = 495,667,422.42/x
  3. Step 3: Cross multiply
    1,027,082,019.78x = 1,541,619,272.68 × 495,667,422.42
  4. Step 4: Simplify right side
    1,027,082,019.78x = 764,130,451,232,104,320
  5. Step 5: Solve for x
    x = 764,130,451,232,104,320/1,027,082,019.78
  6. Step 6: Final answer
    x = 743,981,918.21

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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.