Home / 1,561,555,297.40-2,342,720,628.14-774,978,109.21

Finding the Fourth Proportional to 1,561,555,297.40, 2,342,720,628.14 and 774,978,109.21

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Solution

The fourth proportional to 1,561,555,297.40, 2,342,720,628.14 and 774,978,109.21 is: 1,162,659,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,555,297.40 : 2,342,720,628.14 = 774,978,109.21 : x
  2. Step 2: Convert to fraction form
    1,561,555,297.40/2,342,720,628.14 = 774,978,109.21/x
  3. Step 3: Cross multiply
    1,561,555,297.40x = 2,342,720,628.14 × 774,978,109.21
  4. Step 4: Simplify right side
    1,561,555,297.40x = 1,815,557,202,806,741,760
  5. Step 5: Solve for x
    x = 1,815,557,202,806,741,760/1,561,555,297.40
  6. Step 6: Final answer
    x = 1,162,659,565.01

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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.