Home / 664,010,809.20-996,016,213.80-654,940,882.80

Finding the Fourth Proportional to 664,010,809.20, 996,016,213.80 and 654,940,882.80

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Solution

The fourth proportional to 664,010,809.20, 996,016,213.80 and 654,940,882.80 is: 982,411,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,010,809.20 : 996,016,213.80 = 654,940,882.80 : x
  2. Step 2: Convert to fraction form
    664,010,809.20/996,016,213.80 = 654,940,882.80/x
  3. Step 3: Cross multiply
    664,010,809.20x = 996,016,213.80 × 654,940,882.80
  4. Step 4: Simplify right side
    664,010,809.20x = 652,331,738,349,285,504
  5. Step 5: Solve for x
    x = 652,331,738,349,285,504/664,010,809.20
  6. Step 6: Final answer
    x = 982,411,324.20

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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.