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Finding the Fourth Proportional to 655,129,045,839.80, 982,693,568,759.70 and 655,129,045,839.80

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Solution

The fourth proportional to 655,129,045,839.80, 982,693,568,759.70 and 655,129,045,839.80 is: 982,693,568,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,129,045,839.80 : 982,693,568,759.70 = 655,129,045,839.80 : x
  2. Step 2: Convert to fraction form
    655,129,045,839.80/982,693,568,759.70 = 655,129,045,839.80/x
  3. Step 3: Cross multiply
    655,129,045,839.80x = 982,693,568,759.70 × 655,129,045,839.80
  4. Step 4: Simplify right side
    655,129,045,839.80x = 643,791,100,054,450,129,076,224
  5. Step 5: Solve for x
    x = 643,791,100,054,450,129,076,224/655,129,045,839.80
  6. Step 6: Final answer
    x = 982,693,568,759.70

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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.