Home / 15,419,794,342.19-21,274,229,591.46-9,313,865,412.41

Finding the Fourth Proportional to 15,419,794,342.19, 21,274,229,591.46 and 9,313,865,412.41

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Solution

The fourth proportional to 15,419,794,342.19, 21,274,229,591.46 and 9,313,865,412.41 is: 12,850,061,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419,794,342.19 : 21,274,229,591.46 = 9,313,865,412.41 : x
  2. Step 2: Convert to fraction form
    15,419,794,342.19/21,274,229,591.46 = 9,313,865,412.41/x
  3. Step 3: Cross multiply
    15,419,794,342.19x = 21,274,229,591.46 × 9,313,865,412.41
  4. Step 4: Simplify right side
    15,419,794,342.19x = 198,145,311,167,462,244,352
  5. Step 5: Solve for x
    x = 198,145,311,167,462,244,352/15,419,794,342.19
  6. Step 6: Final answer
    x = 12,850,061,860.12

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1.5x scale

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.