Home / 1,285,200,322,328.20-1,925,682,247,797-746,465,981,490.70

Finding the Fourth Proportional to 1,285,200,322,328.20, 1,925,682,247,797 and 746,465,981,490.70

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Solution

The fourth proportional to 1,285,200,322,328.20, 1,925,682,247,797 and 746,465,981,490.70 is: 1,118,468,665,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,200,322,328.20 : 1,925,682,247,797 = 746,465,981,490.70 : x
  2. Step 2: Convert to fraction form
    1,285,200,322,328.20/1,925,682,247,797 = 746,465,981,490.70/x
  3. Step 3: Cross multiply
    1,285,200,322,328.20x = 1,925,682,247,797 × 746,465,981,490.70
  4. Step 4: Simplify right side
    1,285,200,322,328.20x = 1,437,456,289,141,005,012,172,800
  5. Step 5: Solve for x
    x = 1,437,456,289,141,005,012,172,800/1,285,200,322,328.20
  6. Step 6: Final answer
    x = 1,118,468,665,287.13

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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.