Home / 880,205,429.60-1,319,468,336.40-327,359,823.20

Finding the Fourth Proportional to 880,205,429.60, 1,319,468,336.40 and 327,359,823.20

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Solution

The fourth proportional to 880,205,429.60, 1,319,468,336.40 and 327,359,823.20 is: 490,727,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,205,429.60 : 1,319,468,336.40 = 327,359,823.20 : x
  2. Step 2: Convert to fraction form
    880,205,429.60/1,319,468,336.40 = 327,359,823.20/x
  3. Step 3: Cross multiply
    880,205,429.60x = 1,319,468,336.40 × 327,359,823.20
  4. Step 4: Simplify right side
    880,205,429.60x = 431,940,921,321,902,144
  5. Step 5: Solve for x
    x = 431,940,921,321,902,144/880,205,429.60
  6. Step 6: Final answer
    x = 490,727,399.31

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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.