Home / 1,285,200,322,328.90-1,925,682,247,798.10-746,465,981,491.45

Finding the Fourth Proportional to 1,285,200,322,328.90, 1,925,682,247,798.10 and 746,465,981,491.45

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Solution

The fourth proportional to 1,285,200,322,328.90, 1,925,682,247,798.10 and 746,465,981,491.45 is: 1,118,468,665,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,200,322,328.90 : 1,925,682,247,798.10 = 746,465,981,491.45 : x
  2. Step 2: Convert to fraction form
    1,285,200,322,328.90/1,925,682,247,798.10 = 746,465,981,491.45/x
  3. Step 3: Cross multiply
    1,285,200,322,328.90x = 1,925,682,247,798.10 × 746,465,981,491.45
  4. Step 4: Simplify right side
    1,285,200,322,328.90x = 1,437,456,289,143,270,338,985,984
  5. Step 5: Solve for x
    x = 1,437,456,289,143,270,338,985,984/1,285,200,322,328.90
  6. Step 6: Final answer
    x = 1,118,468,665,288.28

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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.