Home / 8,378,805,778.27-12,569,500,069.04-2,856,772,408.39

Finding the Fourth Proportional to 8,378,805,778.27, 12,569,500,069.04 and 2,856,772,408.39

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Solution

The fourth proportional to 8,378,805,778.27, 12,569,500,069.04 and 2,856,772,408.39 is: 4,285,598,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,805,778.27 : 12,569,500,069.04 = 2,856,772,408.39 : x
  2. Step 2: Convert to fraction form
    8,378,805,778.27/12,569,500,069.04 = 2,856,772,408.39/x
  3. Step 3: Cross multiply
    8,378,805,778.27x = 12,569,500,069.04 × 2,856,772,408.39
  4. Step 4: Simplify right side
    8,378,805,778.27x = 35,908,200,984,489,672,704
  5. Step 5: Solve for x
    x = 35,908,200,984,489,672,704/8,378,805,778.27
  6. Step 6: Final answer
    x = 4,285,598,918.84

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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.