Home / 12,568,208,667.41-18,854,250,103.56-4,285,158,612.59

Finding the Fourth Proportional to 12,568,208,667.41, 18,854,250,103.56 and 4,285,158,612.59

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Solution

The fourth proportional to 12,568,208,667.41, 18,854,250,103.56 and 4,285,158,612.59 is: 6,428,398,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568,208,667.41 : 18,854,250,103.56 = 4,285,158,612.59 : x
  2. Step 2: Convert to fraction form
    12,568,208,667.41/18,854,250,103.56 = 4,285,158,612.59/x
  3. Step 3: Cross multiply
    12,568,208,667.41x = 18,854,250,103.56 × 4,285,158,612.59
  4. Step 4: Simplify right side
    12,568,208,667.41x = 80,793,452,215,101,767,680
  5. Step 5: Solve for x
    x = 80,793,452,215,101,767,680/12,568,208,667.41
  6. Step 6: Final answer
    x = 6,428,398,378.25

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1.5x scale

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.