Home / 4,192,269,214.26-6,286,044,189.87-1,392,738,999.78

Finding the Fourth Proportional to 4,192,269,214.26, 6,286,044,189.87 and 1,392,738,999.78

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Solution

The fourth proportional to 4,192,269,214.26, 6,286,044,189.87 and 1,392,738,999.78 is: 2,088,324,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192,269,214.26 : 6,286,044,189.87 = 1,392,738,999.78 : x
  2. Step 2: Convert to fraction form
    4,192,269,214.26/6,286,044,189.87 = 1,392,738,999.78/x
  3. Step 3: Cross multiply
    4,192,269,214.26x = 6,286,044,189.87 × 1,392,738,999.78
  4. Step 4: Simplify right side
    4,192,269,214.26x = 8,754,818,897,572,423,680
  5. Step 5: Solve for x
    x = 8,754,818,897,572,423,680/4,192,269,214.26
  6. Step 6: Final answer
    x = 2,088,324,592.27

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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.