Home / 20,286,797,351.31-27,984,148,958.43-12,652,589,327.58

Finding the Fourth Proportional to 20,286,797,351.31, 27,984,148,958.43 and 12,652,589,327.58

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Solution

The fourth proportional to 20,286,797,351.31, 27,984,148,958.43 and 12,652,589,327.58 is: 17,453,318,940.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,797,351.31 : 27,984,148,958.43 = 12,652,589,327.58 : x
  2. Step 2: Convert to fraction form
    20,286,797,351.31/27,984,148,958.43 = 12,652,589,327.58/x
  3. Step 3: Cross multiply
    20,286,797,351.31x = 27,984,148,958.43 × 12,652,589,327.58
  4. Step 4: Simplify right side
    20,286,797,351.31x = 354,071,944,452,840,423,424
  5. Step 5: Solve for x
    x = 354,071,944,452,840,423,424/20,286,797,351.31
  6. Step 6: Final answer
    x = 17,453,318,940.46

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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.