Home / 1,285,200,322,332.80-1,925,682,247,803.80-746,465,981,495.18

Finding the Fourth Proportional to 1,285,200,322,332.80, 1,925,682,247,803.80 and 746,465,981,495.18

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Solution

The fourth proportional to 1,285,200,322,332.80, 1,925,682,247,803.80 and 746,465,981,495.18 is: 1,118,468,665,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,200,322,332.80 : 1,925,682,247,803.80 = 746,465,981,495.18 : x
  2. Step 2: Convert to fraction form
    1,285,200,322,332.80/1,925,682,247,803.80 = 746,465,981,495.18/x
  3. Step 3: Cross multiply
    1,285,200,322,332.80x = 1,925,682,247,803.80 × 746,465,981,495.18
  4. Step 4: Simplify right side
    1,285,200,322,332.80x = 1,437,456,289,154,708,105,330,688
  5. Step 5: Solve for x
    x = 1,437,456,289,154,708,105,330,688/1,285,200,322,332.80
  6. Step 6: Final answer
    x = 1,118,468,665,293.78

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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.