Home / 479,584,947.92-719,376,958.38-180,509,715.68

Finding the Fourth Proportional to 479,584,947.92, 719,376,958.38 and 180,509,715.68

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Solution

The fourth proportional to 479,584,947.92, 719,376,958.38 and 180,509,715.68 is: 270,764,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,584,947.92 : 719,376,958.38 = 180,509,715.68 : x
  2. Step 2: Convert to fraction form
    479,584,947.92/719,376,958.38 = 180,509,715.68/x
  3. Step 3: Cross multiply
    479,584,947.92x = 719,376,958.38 × 180,509,715.68
  4. Step 4: Simplify right side
    479,584,947.92x = 129,854,530,223,916,992
  5. Step 5: Solve for x
    x = 129,854,530,223,916,992/479,584,947.92
  6. Step 6: Final answer
    x = 270,764,399.06

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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.