Home / 291,058,723.20-436,800,661.20-204,965,281.20

Finding the Fourth Proportional to 291,058,723.20, 436,800,661.20 and 204,965,281.20

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Solution

The fourth proportional to 291,058,723.20, 436,800,661.20 and 204,965,281.20 is: 307,597,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,058,723.20 : 436,800,661.20 = 204,965,281.20 : x
  2. Step 2: Convert to fraction form
    291,058,723.20/436,800,661.20 = 204,965,281.20/x
  3. Step 3: Cross multiply
    291,058,723.20x = 436,800,661.20 × 204,965,281.20
  4. Step 4: Simplify right side
    291,058,723.20x = 89,528,970,351,203,920
  5. Step 5: Solve for x
    x = 89,528,970,351,203,920/291,058,723.20
  6. Step 6: Final answer
    x = 307,597,619.36

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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.