Home / 510,275,165.28-764,790,917.52-264,496,299.84

Finding the Fourth Proportional to 510,275,165.28, 764,790,917.52 and 264,496,299.84

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Solution

The fourth proportional to 510,275,165.28, 764,790,917.52 and 264,496,299.84 is: 396,422,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,275,165.28 : 764,790,917.52 = 264,496,299.84 : x
  2. Step 2: Convert to fraction form
    510,275,165.28/764,790,917.52 = 264,496,299.84/x
  3. Step 3: Cross multiply
    510,275,165.28x = 764,790,917.52 × 264,496,299.84
  4. Step 4: Simplify right side
    510,275,165.28x = 202,284,367,835,278,624
  5. Step 5: Solve for x
    x = 202,284,367,835,278,624/510,275,165.28
  6. Step 6: Final answer
    x = 396,422,129.86

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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.