Home / 1,260,897,469.11-1,889,705,670.18-513,041,694.97

Finding the Fourth Proportional to 1,260,897,469.11, 1,889,705,670.18 and 513,041,694.97

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Solution

The fourth proportional to 1,260,897,469.11, 1,889,705,670.18 and 513,041,694.97 is: 768,895,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,897,469.11 : 1,889,705,670.18 = 513,041,694.97 : x
  2. Step 2: Convert to fraction form
    1,260,897,469.11/1,889,705,670.18 = 513,041,694.97/x
  3. Step 3: Cross multiply
    1,260,897,469.11x = 1,889,705,670.18 × 513,041,694.97
  4. Step 4: Simplify right side
    1,260,897,469.11x = 969,497,800,023,567,104
  5. Step 5: Solve for x
    x = 969,497,800,023,567,104/1,260,897,469.11
  6. Step 6: Final answer
    x = 768,895,032.13

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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.