Home / 839,815,192.80-1,259,722,789.20-801,551,440.80

Finding the Fourth Proportional to 839,815,192.80, 1,259,722,789.20 and 801,551,440.80

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Solution

The fourth proportional to 839,815,192.80, 1,259,722,789.20 and 801,551,440.80 is: 1,202,327,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,815,192.80 : 1,259,722,789.20 = 801,551,440.80 : x
  2. Step 2: Convert to fraction form
    839,815,192.80/1,259,722,789.20 = 801,551,440.80/x
  3. Step 3: Cross multiply
    839,815,192.80x = 1,259,722,789.20 × 801,551,440.80
  4. Step 4: Simplify right side
    839,815,192.80x = 1,009,732,616,691,854,720
  5. Step 5: Solve for x
    x = 1,009,732,616,691,854,720/839,815,192.80
  6. Step 6: Final answer
    x = 1,202,327,161.20

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1.5x scale

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.