Home / 36,691,589,373.50-50,633,599,706.86-21,242,383,292.09

Finding the Fourth Proportional to 36,691,589,373.50, 50,633,599,706.86 and 21,242,383,292.09

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Solution

The fourth proportional to 36,691,589,373.50, 50,633,599,706.86 and 21,242,383,292.09 is: 29,314,029,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691,589,373.50 : 50,633,599,706.86 = 21,242,383,292.09 : x
  2. Step 2: Convert to fraction form
    36,691,589,373.50/50,633,599,706.86 = 21,242,383,292.09/x
  3. Step 3: Cross multiply
    36,691,589,373.50x = 50,633,599,706.86 × 21,242,383,292.09
  4. Step 4: Simplify right side
    36,691,589,373.50x = 1,075,578,332,431,016,656,896
  5. Step 5: Solve for x
    x = 1,075,578,332,431,016,656,896/36,691,589,373.50
  6. Step 6: Final answer
    x = 29,314,029,476.41

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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.