Home / 2,287,682,446.92-3,156,749,168.76-1,283,869,778.64

Finding the Fourth Proportional to 2,287,682,446.92, 3,156,749,168.76 and 1,283,869,778.64

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Solution

The fourth proportional to 2,287,682,446.92, 3,156,749,168.76 and 1,283,869,778.64 is: 1,771,598,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,682,446.92 : 3,156,749,168.76 = 1,283,869,778.64 : x
  2. Step 2: Convert to fraction form
    2,287,682,446.92/3,156,749,168.76 = 1,283,869,778.64/x
  3. Step 3: Cross multiply
    2,287,682,446.92x = 3,156,749,168.76 × 1,283,869,778.64
  4. Step 4: Simplify right side
    2,287,682,446.92x = 4,052,854,856,517,905,920
  5. Step 5: Solve for x
    x = 4,052,854,856,517,905,920/2,287,682,446.92
  6. Step 6: Final answer
    x = 1,771,598,528.45

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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.