Home / 843,858,052.80-1,265,787,079.20-298,654,699.20

Finding the Fourth Proportional to 843,858,052.80, 1,265,787,079.20 and 298,654,699.20

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Solution

The fourth proportional to 843,858,052.80, 1,265,787,079.20 and 298,654,699.20 is: 447,982,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,858,052.80 : 1,265,787,079.20 = 298,654,699.20 : x
  2. Step 2: Convert to fraction form
    843,858,052.80/1,265,787,079.20 = 298,654,699.20/x
  3. Step 3: Cross multiply
    843,858,052.80x = 1,265,787,079.20 × 298,654,699.20
  4. Step 4: Simplify right side
    843,858,052.80x = 378,033,259,389,722,560
  5. Step 5: Solve for x
    x = 378,033,259,389,722,560/843,858,052.80
  6. Step 6: Final answer
    x = 447,982,048.80

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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.