Home / 664,320,965.40-996,481,448.10-470,451,288.60

Finding the Fourth Proportional to 664,320,965.40, 996,481,448.10 and 470,451,288.60

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Solution

The fourth proportional to 664,320,965.40, 996,481,448.10 and 470,451,288.60 is: 705,676,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,320,965.40 : 996,481,448.10 = 470,451,288.60 : x
  2. Step 2: Convert to fraction form
    664,320,965.40/996,481,448.10 = 470,451,288.60/x
  3. Step 3: Cross multiply
    664,320,965.40x = 996,481,448.10 × 470,451,288.60
  4. Step 4: Simplify right side
    664,320,965.40x = 468,795,981,324,639,040
  5. Step 5: Solve for x
    x = 468,795,981,324,639,040/664,320,965.40
  6. Step 6: Final answer
    x = 705,676,932.90

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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.