Home / 1,561,555,300.40-2,342,720,632.64-774,978,112.22

Finding the Fourth Proportional to 1,561,555,300.40, 2,342,720,632.64 and 774,978,112.22

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Solution

The fourth proportional to 1,561,555,300.40, 2,342,720,632.64 and 774,978,112.22 is: 1,162,659,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,555,300.40 : 2,342,720,632.64 = 774,978,112.22 : x
  2. Step 2: Convert to fraction form
    1,561,555,300.40/2,342,720,632.64 = 774,978,112.22/x
  3. Step 3: Cross multiply
    1,561,555,300.40x = 2,342,720,632.64 × 774,978,112.22
  4. Step 4: Simplify right side
    1,561,555,300.40x = 1,815,557,213,326,603,008
  5. Step 5: Solve for x
    x = 1,815,557,213,326,603,008/1,561,555,300.40
  6. Step 6: Final answer
    x = 1,162,659,569.51

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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.