Home / 21,274,408,296.79-31,911,612,447.39-7,109,374,049.49

Finding the Fourth Proportional to 21,274,408,296.79, 31,911,612,447.39 and 7,109,374,049.49

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Solution

The fourth proportional to 21,274,408,296.79, 31,911,612,447.39 and 7,109,374,049.49 is: 10,664,061,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274,408,296.79 : 31,911,612,447.39 = 7,109,374,049.49 : x
  2. Step 2: Convert to fraction form
    21,274,408,296.79/31,911,612,447.39 = 7,109,374,049.49/x
  3. Step 3: Cross multiply
    21,274,408,296.79x = 31,911,612,447.39 × 7,109,374,049.49
  4. Step 4: Simplify right side
    21,274,408,296.79x = 226,871,589,410,856,534,016
  5. Step 5: Solve for x
    x = 226,871,589,410,856,534,016/21,274,408,296.79
  6. Step 6: Final answer
    x = 10,664,061,074.97

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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.