Home / 37,177,789,312.48-51,305,522,993.50-21,121,351,449.78

Finding the Fourth Proportional to 37,177,789,312.48, 51,305,522,993.50 and 21,121,351,449.78

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Solution

The fourth proportional to 37,177,789,312.48, 51,305,522,993.50 and 21,121,351,449.78 is: 29,147,563,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,177,789,312.48 : 51,305,522,993.50 = 21,121,351,449.78 : x
  2. Step 2: Convert to fraction form
    37,177,789,312.48/51,305,522,993.50 = 21,121,351,449.78/x
  3. Step 3: Cross multiply
    37,177,789,312.48x = 51,305,522,993.50 × 21,121,351,449.78
  4. Step 4: Simplify right side
    37,177,789,312.48x = 1,083,641,982,460,482,289,664
  5. Step 5: Solve for x
    x = 1,083,641,982,460,482,289,664/37,177,789,312.48
  6. Step 6: Final answer
    x = 29,147,563,706.72

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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.