Home / 264,569,767.31-396,828,992.90-80,338,839.21

Finding the Fourth Proportional to 264,569,767.31, 396,828,992.90 and 80,338,839.21

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Solution

The fourth proportional to 264,569,767.31, 396,828,992.90 and 80,338,839.21 is: 120,500,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,569,767.31 : 396,828,992.90 = 80,338,839.21 : x
  2. Step 2: Convert to fraction form
    264,569,767.31/396,828,992.90 = 80,338,839.21/x
  3. Step 3: Cross multiply
    264,569,767.31x = 396,828,992.90 × 80,338,839.21
  4. Step 4: Simplify right side
    264,569,767.31x = 31,880,780,654,057,632
  5. Step 5: Solve for x
    x = 31,880,780,654,057,632/264,569,767.31
  6. Step 6: Final answer
    x = 120,500,467.53

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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.