Home / 2,155,568,488.45-2,974,667,188.07-1,251,408,319.63

Finding the Fourth Proportional to 2,155,568,488.45, 2,974,667,188.07 and 1,251,408,319.63

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Solution

The fourth proportional to 2,155,568,488.45, 2,974,667,188.07 and 1,251,408,319.63 is: 1,726,933,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,568,488.45 : 2,974,667,188.07 = 1,251,408,319.63 : x
  2. Step 2: Convert to fraction form
    2,155,568,488.45/2,974,667,188.07 = 1,251,408,319.63/x
  3. Step 3: Cross multiply
    2,155,568,488.45x = 2,974,667,188.07 × 1,251,408,319.63
  4. Step 4: Simplify right side
    2,155,568,488.45x = 3,722,523,267,276,742,656
  5. Step 5: Solve for x
    x = 3,722,523,267,276,742,656/2,155,568,488.45
  6. Step 6: Final answer
    x = 1,726,933,422.54

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1.5x scale

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.