Home / 82,394,496,369.60-123,591,744,554.40-20,356,199,793.60

Finding the Fourth Proportional to 82,394,496,369.60, 123,591,744,554.40 and 20,356,199,793.60

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Solution

The fourth proportional to 82,394,496,369.60, 123,591,744,554.40 and 20,356,199,793.60 is: 30,534,299,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,394,496,369.60 : 123,591,744,554.40 = 20,356,199,793.60 : x
  2. Step 2: Convert to fraction form
    82,394,496,369.60/123,591,744,554.40 = 20,356,199,793.60/x
  3. Step 3: Cross multiply
    82,394,496,369.60x = 123,591,744,554.40 × 20,356,199,793.60
  4. Step 4: Simplify right side
    82,394,496,369.60x = 2,515,858,244,988,940,845,056
  5. Step 5: Solve for x
    x = 2,515,858,244,988,940,845,056/82,394,496,369.60
  6. Step 6: Final answer
    x = 30,534,299,690.40

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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.