Home / 18,894,037,004.28-28,330,090,865.10-8,945,397,194.76

Finding the Fourth Proportional to 18,894,037,004.28, 28,330,090,865.10 and 8,945,397,194.76

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Solution

The fourth proportional to 18,894,037,004.28, 28,330,090,865.10 and 8,945,397,194.76 is: 13,412,904,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894,037,004.28 : 28,330,090,865.10 = 8,945,397,194.76 : x
  2. Step 2: Convert to fraction form
    18,894,037,004.28/28,330,090,865.10 = 8,945,397,194.76/x
  3. Step 3: Cross multiply
    18,894,037,004.28x = 28,330,090,865.10 × 8,945,397,194.76
  4. Step 4: Simplify right side
    18,894,037,004.28x = 253,423,915,351,961,436,160
  5. Step 5: Solve for x
    x = 253,423,915,351,961,436,160/18,894,037,004.28
  6. Step 6: Final answer
    x = 13,412,904,573.78

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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.