Home / 3,919,277,489.27-5,408,593,465.92-2,135,145,603.29

Finding the Fourth Proportional to 3,919,277,489.27, 5,408,593,465.92 and 2,135,145,603.29

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Solution

The fourth proportional to 3,919,277,489.27, 5,408,593,465.92 and 2,135,145,603.29 is: 2,946,495,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,277,489.27 : 5,408,593,465.92 = 2,135,145,603.29 : x
  2. Step 2: Convert to fraction form
    3,919,277,489.27/5,408,593,465.92 = 2,135,145,603.29/x
  3. Step 3: Cross multiply
    3,919,277,489.27x = 5,408,593,465.92 × 2,135,145,603.29
  4. Step 4: Simplify right side
    3,919,277,489.27x = 11,548,134,558,742,110,208
  5. Step 5: Solve for x
    x = 11,548,134,558,742,110,208/3,919,277,489.27
  6. Step 6: Final answer
    x = 2,946,495,773.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.