Home / 12,486,534,773.43-18,722,322,430.33-3,974,240,692.70

Finding the Fourth Proportional to 12,486,534,773.43, 18,722,322,430.33 and 3,974,240,692.70

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Solution

The fourth proportional to 12,486,534,773.43, 18,722,322,430.33 and 3,974,240,692.70 is: 5,958,980,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486,534,773.43 : 18,722,322,430.33 = 3,974,240,692.70 : x
  2. Step 2: Convert to fraction form
    12,486,534,773.43/18,722,322,430.33 = 3,974,240,692.70/x
  3. Step 3: Cross multiply
    12,486,534,773.43x = 18,722,322,430.33 × 3,974,240,692.70
  4. Step 4: Simplify right side
    12,486,534,773.43x = 74,407,015,664,467,443,712
  5. Step 5: Solve for x
    x = 74,407,015,664,467,443,712/12,486,534,773.43
  6. Step 6: Final answer
    x = 5,958,980,374.83

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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.