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Finding the Fourth Proportional to 655,120,500,770.56, 982,680,751,155.82 and 655,120,500,770.56

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Solution

The fourth proportional to 655,120,500,770.56, 982,680,751,155.82 and 655,120,500,770.56 is: 982,680,751,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,120,500,770.56 : 982,680,751,155.82 = 655,120,500,770.56 : x
  2. Step 2: Convert to fraction form
    655,120,500,770.56/982,680,751,155.82 = 655,120,500,770.56/x
  3. Step 3: Cross multiply
    655,120,500,770.56x = 982,680,751,155.82 × 655,120,500,770.56
  4. Step 4: Simplify right side
    655,120,500,770.56x = 643,774,305,794,790,866,812,928
  5. Step 5: Solve for x
    x = 643,774,305,794,790,866,812,928/655,120,500,770.56
  6. Step 6: Final answer
    x = 982,680,751,155.82

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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.