Home / 511,561,745.36-705,954,710.76-276,611,843.60

Finding the Fourth Proportional to 511,561,745.36, 705,954,710.76 and 276,611,843.60

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Solution

The fourth proportional to 511,561,745.36, 705,954,710.76 and 276,611,843.60 is: 381,724,074.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,561,745.36 : 705,954,710.76 = 276,611,843.60 : x
  2. Step 2: Convert to fraction form
    511,561,745.36/705,954,710.76 = 276,611,843.60/x
  3. Step 3: Cross multiply
    511,561,745.36x = 705,954,710.76 × 276,611,843.60
  4. Step 4: Simplify right side
    511,561,745.36x = 195,275,434,041,428,384
  5. Step 5: Solve for x
    x = 195,275,434,041,428,384/511,561,745.36
  6. Step 6: Final answer
    x = 381,724,074.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.