Home / 752,925,021.48-1,039,067,767.44-418,396,294.80

Finding the Fourth Proportional to 752,925,021.48, 1,039,067,767.44 and 418,396,294.80

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Solution

The fourth proportional to 752,925,021.48, 1,039,067,767.44 and 418,396,294.80 is: 577,404,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,925,021.48 : 1,039,067,767.44 = 418,396,294.80 : x
  2. Step 2: Convert to fraction form
    752,925,021.48/1,039,067,767.44 = 418,396,294.80/x
  3. Step 3: Cross multiply
    752,925,021.48x = 1,039,067,767.44 × 418,396,294.80
  4. Step 4: Simplify right side
    752,925,021.48x = 434,742,103,943,004,096
  5. Step 5: Solve for x
    x = 434,742,103,943,004,096/752,925,021.48
  6. Step 6: Final answer
    x = 577,404,245.50

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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.