Home / 264,206,723.70-396,310,085.55-209,787,165.30

Finding the Fourth Proportional to 264,206,723.70, 396,310,085.55 and 209,787,165.30

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Solution

The fourth proportional to 264,206,723.70, 396,310,085.55 and 209,787,165.30 is: 314,680,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,206,723.70 : 396,310,085.55 = 209,787,165.30 : x
  2. Step 2: Convert to fraction form
    264,206,723.70/396,310,085.55 = 209,787,165.30/x
  3. Step 3: Cross multiply
    264,206,723.70x = 396,310,085.55 × 209,787,165.30
  4. Step 4: Simplify right side
    264,206,723.70x = 83,140,769,427,334,992
  5. Step 5: Solve for x
    x = 83,140,769,427,334,992/264,206,723.70
  6. Step 6: Final answer
    x = 314,680,747.95

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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.