Home / 37,177,789,310.48-51,305,522,990.74-21,121,351,447.78

Finding the Fourth Proportional to 37,177,789,310.48, 51,305,522,990.74 and 21,121,351,447.78

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Solution

The fourth proportional to 37,177,789,310.48, 51,305,522,990.74 and 21,121,351,447.78 is: 29,147,563,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,177,789,310.48 : 51,305,522,990.74 = 21,121,351,447.78 : x
  2. Step 2: Convert to fraction form
    37,177,789,310.48/51,305,522,990.74 = 21,121,351,447.78/x
  3. Step 3: Cross multiply
    37,177,789,310.48x = 51,305,522,990.74 × 21,121,351,447.78
  4. Step 4: Simplify right side
    37,177,789,310.48x = 1,083,641,982,299,627,585,536
  5. Step 5: Solve for x
    x = 1,083,641,982,299,627,585,536/37,177,789,310.48
  6. Step 6: Final answer
    x = 29,147,563,703.96

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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.