Home / 668,766,660.60-1,003,149,990.90-177,555,744.30

Finding the Fourth Proportional to 668,766,660.60, 1,003,149,990.90 and 177,555,744.30

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Solution

The fourth proportional to 668,766,660.60, 1,003,149,990.90 and 177,555,744.30 is: 266,333,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,766,660.60 : 1,003,149,990.90 = 177,555,744.30 : x
  2. Step 2: Convert to fraction form
    668,766,660.60/1,003,149,990.90 = 177,555,744.30/x
  3. Step 3: Cross multiply
    668,766,660.60x = 1,003,149,990.90 × 177,555,744.30
  4. Step 4: Simplify right side
    668,766,660.60x = 178,115,043,278,787,744
  5. Step 5: Solve for x
    x = 178,115,043,278,787,744/668,766,660.60
  6. Step 6: Final answer
    x = 266,333,616.45

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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.