Home / 269,147,124,719.57-371,342,396,769.24-154,958,809,791.71

Finding the Fourth Proportional to 269,147,124,719.57, 371,342,396,769.24 and 154,958,809,791.71

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Solution

The fourth proportional to 269,147,124,719.57, 371,342,396,769.24 and 154,958,809,791.71 is: 213,796,732,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,147,124,719.57 : 371,342,396,769.24 = 154,958,809,791.71 : x
  2. Step 2: Convert to fraction form
    269,147,124,719.57/371,342,396,769.24 = 154,958,809,791.71/x
  3. Step 3: Cross multiply
    269,147,124,719.57x = 371,342,396,769.24 × 154,958,809,791.71
  4. Step 4: Simplify right side
    269,147,124,719.57x = 57,542,775,828,562,361,450,496
  5. Step 5: Solve for x
    x = 57,542,775,828,562,361,450,496/269,147,124,719.57
  6. Step 6: Final answer
    x = 213,796,732,506.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.