Home / 12,109,373,947.90-18,164,060,921.85-8,844,200,443.90

Finding the Fourth Proportional to 12,109,373,947.90, 18,164,060,921.85 and 8,844,200,443.90

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Solution

The fourth proportional to 12,109,373,947.90, 18,164,060,921.85 and 8,844,200,443.90 is: 13,266,300,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,373,947.90 : 18,164,060,921.85 = 8,844,200,443.90 : x
  2. Step 2: Convert to fraction form
    12,109,373,947.90/18,164,060,921.85 = 8,844,200,443.90/x
  3. Step 3: Cross multiply
    12,109,373,947.90x = 18,164,060,921.85 × 8,844,200,443.90
  4. Step 4: Simplify right side
    12,109,373,947.90x = 160,646,595,668,052,377,600
  5. Step 5: Solve for x
    x = 160,646,595,668,052,377,600/12,109,373,947.90
  6. Step 6: Final answer
    x = 13,266,300,665.85

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Similar ratio
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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.