Home / 39,809,368,641.38-54,936,557,447.14-21,744,877,939.56

Finding the Fourth Proportional to 39,809,368,641.38, 54,936,557,447.14 and 21,744,877,939.56

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Solution

The fourth proportional to 39,809,368,641.38, 54,936,557,447.14 and 21,744,877,939.56 is: 30,007,728,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809,368,641.38 : 54,936,557,447.14 = 21,744,877,939.56 : x
  2. Step 2: Convert to fraction form
    39,809,368,641.38/54,936,557,447.14 = 21,744,877,939.56/x
  3. Step 3: Cross multiply
    39,809,368,641.38x = 54,936,557,447.14 × 21,744,877,939.56
  4. Step 4: Simplify right side
    39,809,368,641.38x = 1,194,588,736,107,685,347,328
  5. Step 5: Solve for x
    x = 1,194,588,736,107,685,347,328/39,809,368,641.38
  6. Step 6: Final answer
    x = 30,007,728,755.23

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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.