Home / 39,631,302,273.54-54,691,206,064.83-21,809,959,779.55

Finding the Fourth Proportional to 39,631,302,273.54, 54,691,206,064.83 and 21,809,959,779.55

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Solution

The fourth proportional to 39,631,302,273.54, 54,691,206,064.83 and 21,809,959,779.55 is: 30,097,749,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631,302,273.54 : 54,691,206,064.83 = 21,809,959,779.55 : x
  2. Step 2: Convert to fraction form
    39,631,302,273.54/54,691,206,064.83 = 21,809,959,779.55/x
  3. Step 3: Cross multiply
    39,631,302,273.54x = 54,691,206,064.83 × 21,809,959,779.55
  4. Step 4: Simplify right side
    39,631,302,273.54x = 1,192,813,004,568,662,376,448
  5. Step 5: Solve for x
    x = 1,192,813,004,568,662,376,448/39,631,302,273.54
  6. Step 6: Final answer
    x = 30,097,749,408.68

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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.