Home / 2,161,957,752.72-3,241,770,023.88-980,893,620.72

Finding the Fourth Proportional to 2,161,957,752.72, 3,241,770,023.88 and 980,893,620.72

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Solution

The fourth proportional to 2,161,957,752.72, 3,241,770,023.88 and 980,893,620.72 is: 1,470,811,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,957,752.72 : 3,241,770,023.88 = 980,893,620.72 : x
  2. Step 2: Convert to fraction form
    2,161,957,752.72/3,241,770,023.88 = 980,893,620.72/x
  3. Step 3: Cross multiply
    2,161,957,752.72x = 3,241,770,023.88 × 980,893,620.72
  4. Step 4: Simplify right side
    2,161,957,752.72x = 3,179,831,536,265,214,464
  5. Step 5: Solve for x
    x = 3,179,831,536,265,214,464/2,161,957,752.72
  6. Step 6: Final answer
    x = 1,470,811,135.08

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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.