Home / 51,790,557,743.48-71,470,215,273.78-28,928,020,773.38

Finding the Fourth Proportional to 51,790,557,743.48, 71,470,215,273.78 and 28,928,020,773.38

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Solution

The fourth proportional to 51,790,557,743.48, 71,470,215,273.78 and 28,928,020,773.38 is: 39,920,247,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790,557,743.48 : 71,470,215,273.78 = 28,928,020,773.38 : x
  2. Step 2: Convert to fraction form
    51,790,557,743.48/71,470,215,273.78 = 28,928,020,773.38/x
  3. Step 3: Cross multiply
    51,790,557,743.48x = 71,470,215,273.78 × 28,928,020,773.38
  4. Step 4: Simplify right side
    51,790,557,743.48x = 2,067,491,872,117,848,539,136
  5. Step 5: Solve for x
    x = 2,067,491,872,117,848,539,136/51,790,557,743.48
  6. Step 6: Final answer
    x = 39,920,247,284.42

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1.5x scale

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.