Home / 8,378,805,776.27-12,569,500,066.04-2,856,772,406.39

Finding the Fourth Proportional to 8,378,805,776.27, 12,569,500,066.04 and 2,856,772,406.39

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Solution

The fourth proportional to 8,378,805,776.27, 12,569,500,066.04 and 2,856,772,406.39 is: 4,285,598,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,805,776.27 : 12,569,500,066.04 = 2,856,772,406.39 : x
  2. Step 2: Convert to fraction form
    8,378,805,776.27/12,569,500,066.04 = 2,856,772,406.39/x
  3. Step 3: Cross multiply
    8,378,805,776.27x = 12,569,500,066.04 × 2,856,772,406.39
  4. Step 4: Simplify right side
    8,378,805,776.27x = 35,908,200,950,777,720,832
  5. Step 5: Solve for x
    x = 35,908,200,950,777,720,832/8,378,805,776.27
  6. Step 6: Final answer
    x = 4,285,598,915.84

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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.