Home / 1,947,486,608.82-2,687,596,515.09-1,067,422,567.86

Finding the Fourth Proportional to 1,947,486,608.82, 2,687,596,515.09 and 1,067,422,567.86

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Solution

The fourth proportional to 1,947,486,608.82, 2,687,596,515.09 and 1,067,422,567.86 is: 1,473,078,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,486,608.82 : 2,687,596,515.09 = 1,067,422,567.86 : x
  2. Step 2: Convert to fraction form
    1,947,486,608.82/2,687,596,515.09 = 1,067,422,567.86/x
  3. Step 3: Cross multiply
    1,947,486,608.82x = 2,687,596,515.09 × 1,067,422,567.86
  4. Step 4: Simplify right side
    1,947,486,608.82x = 2,868,801,173,508,955,136
  5. Step 5: Solve for x
    x = 2,868,801,173,508,955,136/1,947,486,608.82
  6. Step 6: Final answer
    x = 1,473,078,767.53

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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.