Home / 1,285,200,322,334.70-1,925,682,247,806.80-746,465,981,497.20

Finding the Fourth Proportional to 1,285,200,322,334.70, 1,925,682,247,806.80 and 746,465,981,497.20

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Solution

The fourth proportional to 1,285,200,322,334.70, 1,925,682,247,806.80 and 746,465,981,497.20 is: 1,118,468,665,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,200,322,334.70 : 1,925,682,247,806.80 = 746,465,981,497.20 : x
  2. Step 2: Convert to fraction form
    1,285,200,322,334.70/1,925,682,247,806.80 = 746,465,981,497.20/x
  3. Step 3: Cross multiply
    1,285,200,322,334.70x = 1,925,682,247,806.80 × 746,465,981,497.20
  4. Step 4: Simplify right side
    1,285,200,322,334.70x = 1,437,456,289,160,837,292,097,536
  5. Step 5: Solve for x
    x = 1,437,456,289,160,837,292,097,536/1,285,200,322,334.70
  6. Step 6: Final answer
    x = 1,118,468,665,296.90

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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.