Home / 853,124,804.80-1,279,687,207.20-754,489,355.20

Finding the Fourth Proportional to 853,124,804.80, 1,279,687,207.20 and 754,489,355.20

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Solution

The fourth proportional to 853,124,804.80, 1,279,687,207.20 and 754,489,355.20 is: 1,131,734,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,124,804.80 : 1,279,687,207.20 = 754,489,355.20 : x
  2. Step 2: Convert to fraction form
    853,124,804.80/1,279,687,207.20 = 754,489,355.20/x
  3. Step 3: Cross multiply
    853,124,804.80x = 1,279,687,207.20 × 754,489,355.20
  4. Step 4: Simplify right side
    853,124,804.80x = 965,510,375,818,016,896
  5. Step 5: Solve for x
    x = 965,510,375,818,016,896/853,124,804.80
  6. Step 6: Final answer
    x = 1,131,734,032.80

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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.