Home / 8,591,383,990.62-11,857,142,050.74-5,204,193,895.89

Finding the Fourth Proportional to 8,591,383,990.62, 11,857,142,050.74 and 5,204,193,895.89

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Solution

The fourth proportional to 8,591,383,990.62, 11,857,142,050.74 and 5,204,193,895.89 is: 7,182,412,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591,383,990.62 : 11,857,142,050.74 = 5,204,193,895.89 : x
  2. Step 2: Convert to fraction form
    8,591,383,990.62/11,857,142,050.74 = 5,204,193,895.89/x
  3. Step 3: Cross multiply
    8,591,383,990.62x = 11,857,142,050.74 × 5,204,193,895.89
  4. Step 4: Simplify right side
    8,591,383,990.62x = 61,706,866,283,161,747,456
  5. Step 5: Solve for x
    x = 61,706,866,283,161,747,456/8,591,383,990.62
  6. Step 6: Final answer
    x = 7,182,412,792.93

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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.