Home / 442,788,786,629.20-664,183,179,943.80-204,022,974,149.20

Finding the Fourth Proportional to 442,788,786,629.20, 664,183,179,943.80 and 204,022,974,149.20

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Solution

The fourth proportional to 442,788,786,629.20, 664,183,179,943.80 and 204,022,974,149.20 is: 306,034,461,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,788,786,629.20 : 664,183,179,943.80 = 204,022,974,149.20 : x
  2. Step 2: Convert to fraction form
    442,788,786,629.20/664,183,179,943.80 = 204,022,974,149.20/x
  3. Step 3: Cross multiply
    442,788,786,629.20x = 664,183,179,943.80 × 204,022,974,149.20
  4. Step 4: Simplify right side
    442,788,786,629.20x = 135,508,627,752,007,384,432,640
  5. Step 5: Solve for x
    x = 135,508,627,752,007,384,432,640/442,788,786,629.20
  6. Step 6: Final answer
    x = 306,034,461,223.80

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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.