Home / 39,809,368,635.38-54,936,557,438.87-21,744,877,933.56

Finding the Fourth Proportional to 39,809,368,635.38, 54,936,557,438.87 and 21,744,877,933.56

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Solution

The fourth proportional to 39,809,368,635.38, 54,936,557,438.87 and 21,744,877,933.56 is: 30,007,728,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809,368,635.38 : 54,936,557,438.87 = 21,744,877,933.56 : x
  2. Step 2: Convert to fraction form
    39,809,368,635.38/54,936,557,438.87 = 21,744,877,933.56/x
  3. Step 3: Cross multiply
    39,809,368,635.38x = 54,936,557,438.87 × 21,744,877,933.56
  4. Step 4: Simplify right side
    39,809,368,635.38x = 1,194,588,735,597,907,279,872
  5. Step 5: Solve for x
    x = 1,194,588,735,597,907,279,872/39,809,368,635.38
  6. Step 6: Final answer
    x = 30,007,728,746.95

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Double scale
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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.