Home / 8,188,131,206.40-12,282,196,809.60-2,667,947,251.20

Finding the Fourth Proportional to 8,188,131,206.40, 12,282,196,809.60 and 2,667,947,251.20

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Solution

The fourth proportional to 8,188,131,206.40, 12,282,196,809.60 and 2,667,947,251.20 is: 4,001,920,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,131,206.40 : 12,282,196,809.60 = 2,667,947,251.20 : x
  2. Step 2: Convert to fraction form
    8,188,131,206.40/12,282,196,809.60 = 2,667,947,251.20/x
  3. Step 3: Cross multiply
    8,188,131,206.40x = 12,282,196,809.60 × 2,667,947,251.20
  4. Step 4: Simplify right side
    8,188,131,206.40x = 32,768,253,216,869,728,256
  5. Step 5: Solve for x
    x = 32,768,253,216,869,728,256/8,188,131,206.40
  6. Step 6: Final answer
    x = 4,001,920,876.80

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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.