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Finding the Fourth Proportional to 655,120,500,858.20, 982,680,751,287.25 and 655,120,500,858.20

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Solution

The fourth proportional to 655,120,500,858.20, 982,680,751,287.25 and 655,120,500,858.20 is: 982,680,751,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,120,500,858.20 : 982,680,751,287.25 = 655,120,500,858.20 : x
  2. Step 2: Convert to fraction form
    655,120,500,858.20/982,680,751,287.25 = 655,120,500,858.20/x
  3. Step 3: Cross multiply
    655,120,500,858.20x = 982,680,751,287.25 × 655,120,500,858.20
  4. Step 4: Simplify right side
    655,120,500,858.20x = 643,774,305,967,015,431,503,872
  5. Step 5: Solve for x
    x = 643,774,305,967,015,431,503,872/655,120,500,858.20
  6. Step 6: Final answer
    x = 982,680,751,287.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.