Home / 1,285,200,322,336.70-1,925,682,247,809.90-746,465,981,499.20

Finding the Fourth Proportional to 1,285,200,322,336.70, 1,925,682,247,809.90 and 746,465,981,499.20

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Solution

The fourth proportional to 1,285,200,322,336.70, 1,925,682,247,809.90 and 746,465,981,499.20 is: 1,118,468,665,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,200,322,336.70 : 1,925,682,247,809.90 = 746,465,981,499.20 : x
  2. Step 2: Convert to fraction form
    1,285,200,322,336.70/1,925,682,247,809.90 = 746,465,981,499.20/x
  3. Step 3: Cross multiply
    1,285,200,322,336.70x = 1,925,682,247,809.90 × 746,465,981,499.20
  4. Step 4: Simplify right side
    1,285,200,322,336.70x = 1,437,456,289,167,002,449,215,488
  5. Step 5: Solve for x
    x = 1,437,456,289,167,002,449,215,488/1,285,200,322,336.70
  6. Step 6: Final answer
    x = 1,118,468,665,299.96

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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.