Home / 322,998,764,540.80-484,498,146,811.20-217,207,143,011.20

Finding the Fourth Proportional to 322,998,764,540.80, 484,498,146,811.20 and 217,207,143,011.20

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Solution

The fourth proportional to 322,998,764,540.80, 484,498,146,811.20 and 217,207,143,011.20 is: 325,810,714,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,998,764,540.80 : 484,498,146,811.20 = 217,207,143,011.20 : x
  2. Step 2: Convert to fraction form
    322,998,764,540.80/484,498,146,811.20 = 217,207,143,011.20/x
  3. Step 3: Cross multiply
    322,998,764,540.80x = 484,498,146,811.20 × 217,207,143,011.20
  4. Step 4: Simplify right side
    322,998,764,540.80x = 105,236,458,263,081,696,362,496
  5. Step 5: Solve for x
    x = 105,236,458,263,081,696,362,496/322,998,764,540.80
  6. Step 6: Final answer
    x = 325,810,714,516.80

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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.