Home / 8,394,752,945.60-12,592,129,418.40-2,578,951,908.80

Finding the Fourth Proportional to 8,394,752,945.60, 12,592,129,418.40 and 2,578,951,908.80

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Solution

The fourth proportional to 8,394,752,945.60, 12,592,129,418.40 and 2,578,951,908.80 is: 3,868,427,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,752,945.60 : 12,592,129,418.40 = 2,578,951,908.80 : x
  2. Step 2: Convert to fraction form
    8,394,752,945.60/12,592,129,418.40 = 2,578,951,908.80/x
  3. Step 3: Cross multiply
    8,394,752,945.60x = 12,592,129,418.40 × 2,578,951,908.80
  4. Step 4: Simplify right side
    8,394,752,945.60x = 32,474,496,199,439,314,944
  5. Step 5: Solve for x
    x = 32,474,496,199,439,314,944/8,394,752,945.60
  6. Step 6: Final answer
    x = 3,868,427,863.20

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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.