Home / 1,197,945,143.76-1,796,954,322.92-410,987,757.71

Finding the Fourth Proportional to 1,197,945,143.76, 1,796,954,322.92 and 410,987,757.71

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Solution

The fourth proportional to 1,197,945,143.76, 1,796,954,322.92 and 410,987,757.71 is: 616,494,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,945,143.76 : 1,796,954,322.92 = 410,987,757.71 : x
  2. Step 2: Convert to fraction form
    1,197,945,143.76/1,796,954,322.92 = 410,987,757.71/x
  3. Step 3: Cross multiply
    1,197,945,143.76x = 1,796,954,322.92 × 410,987,757.71
  4. Step 4: Simplify right side
    1,197,945,143.76x = 738,526,227,886,619,392
  5. Step 5: Solve for x
    x = 738,526,227,886,619,392/1,197,945,143.76
  6. Step 6: Final answer
    x = 616,494,195.69

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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.