Home / 426,594,859.87-639,330,453.26-180,647,166.59

Finding the Fourth Proportional to 426,594,859.87, 639,330,453.26 and 180,647,166.59

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Solution

The fourth proportional to 426,594,859.87, 639,330,453.26 and 180,647,166.59 is: 270,732,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,594,859.87 : 639,330,453.26 = 180,647,166.59 : x
  2. Step 2: Convert to fraction form
    426,594,859.87/639,330,453.26 = 180,647,166.59/x
  3. Step 3: Cross multiply
    426,594,859.87x = 639,330,453.26 × 180,647,166.59
  4. Step 4: Simplify right side
    426,594,859.87x = 115,493,234,895,216,192
  5. Step 5: Solve for x
    x = 115,493,234,895,216,192/426,594,859.87
  6. Step 6: Final answer
    x = 270,732,832.86

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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.