Home / 1,086,027,375.20-1,629,041,062.80-359,016,087.20

Finding the Fourth Proportional to 1,086,027,375.20, 1,629,041,062.80 and 359,016,087.20

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Solution

The fourth proportional to 1,086,027,375.20, 1,629,041,062.80 and 359,016,087.20 is: 538,524,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,027,375.20 : 1,629,041,062.80 = 359,016,087.20 : x
  2. Step 2: Convert to fraction form
    1,086,027,375.20/1,629,041,062.80 = 359,016,087.20/x
  3. Step 3: Cross multiply
    1,086,027,375.20x = 1,629,041,062.80 × 359,016,087.20
  4. Step 4: Simplify right side
    1,086,027,375.20x = 584,851,948,254,585,472
  5. Step 5: Solve for x
    x = 584,851,948,254,585,472/1,086,027,375.20
  6. Step 6: Final answer
    x = 538,524,130.80

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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.