Home / 20,890,431,200.97-28,828,672,263.99-11,374,960,167

Finding the Fourth Proportional to 20,890,431,200.97, 28,828,672,263.99 and 11,374,960,167

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Solution

The fourth proportional to 20,890,431,200.97, 28,828,672,263.99 and 11,374,960,167 is: 15,697,378,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,890,431,200.97 : 28,828,672,263.99 = 11,374,960,167 : x
  2. Step 2: Convert to fraction form
    20,890,431,200.97/28,828,672,263.99 = 11,374,960,167/x
  3. Step 3: Cross multiply
    20,890,431,200.97x = 28,828,672,263.99 × 11,374,960,167
  4. Step 4: Simplify right side
    20,890,431,200.97x = 327,924,998,670,383,972,352
  5. Step 5: Solve for x
    x = 327,924,998,670,383,972,352/20,890,431,200.97
  6. Step 6: Final answer
    x = 15,697,378,168.77

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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.