Home / 20,890,431,204.97-28,828,672,269.51-11,374,960,171

Finding the Fourth Proportional to 20,890,431,204.97, 28,828,672,269.51 and 11,374,960,171

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Solution

The fourth proportional to 20,890,431,204.97, 28,828,672,269.51 and 11,374,960,171 is: 15,697,378,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,890,431,204.97 : 28,828,672,269.51 = 11,374,960,171 : x
  2. Step 2: Convert to fraction form
    20,890,431,204.97/28,828,672,269.51 = 11,374,960,171/x
  3. Step 3: Cross multiply
    20,890,431,204.97x = 28,828,672,269.51 × 11,374,960,171
  4. Step 4: Simplify right side
    20,890,431,204.97x = 327,924,998,848,488,407,040
  5. Step 5: Solve for x
    x = 327,924,998,848,488,407,040/20,890,431,204.97
  6. Step 6: Final answer
    x = 15,697,378,174.29

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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.