Home / 12,099,471,902.60-18,149,207,853.90-2,908,613,150.60

Finding the Fourth Proportional to 12,099,471,902.60, 18,149,207,853.90 and 2,908,613,150.60

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Solution

The fourth proportional to 12,099,471,902.60, 18,149,207,853.90 and 2,908,613,150.60 is: 4,362,919,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,471,902.60 : 18,149,207,853.90 = 2,908,613,150.60 : x
  2. Step 2: Convert to fraction form
    12,099,471,902.60/18,149,207,853.90 = 2,908,613,150.60/x
  3. Step 3: Cross multiply
    12,099,471,902.60x = 18,149,207,853.90 × 2,908,613,150.60
  4. Step 4: Simplify right side
    12,099,471,902.60x = 52,789,024,636,826,345,472
  5. Step 5: Solve for x
    x = 52,789,024,636,826,345,472/12,099,471,902.60
  6. Step 6: Final answer
    x = 4,362,919,725.90

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Double scale
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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.