Home / 824,995,182.92-1,238,037,958.39-388,420,718.92

Finding the Fourth Proportional to 824,995,182.92, 1,238,037,958.39 and 388,420,718.92

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Solution

The fourth proportional to 824,995,182.92, 1,238,037,958.39 and 388,420,718.92 is: 582,887,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,995,182.92 : 1,238,037,958.39 = 388,420,718.92 : x
  2. Step 2: Convert to fraction form
    824,995,182.92/1,238,037,958.39 = 388,420,718.92/x
  3. Step 3: Cross multiply
    824,995,182.92x = 1,238,037,958.39 × 388,420,718.92
  4. Step 4: Simplify right side
    824,995,182.92x = 480,879,593,844,764,736
  5. Step 5: Solve for x
    x = 480,879,593,844,764,736/824,995,182.92
  6. Step 6: Final answer
    x = 582,887,759.59

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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.