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Finding the Fourth Proportional to 84,880,303,214.60, 127,320,454,821.90 and 84,880,303,214.60

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Solution

The fourth proportional to 84,880,303,214.60, 127,320,454,821.90 and 84,880,303,214.60 is: 127,320,454,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,880,303,214.60 : 127,320,454,821.90 = 84,880,303,214.60 : x
  2. Step 2: Convert to fraction form
    84,880,303,214.60/127,320,454,821.90 = 84,880,303,214.60/x
  3. Step 3: Cross multiply
    84,880,303,214.60x = 127,320,454,821.90 × 84,880,303,214.60
  4. Step 4: Simplify right side
    84,880,303,214.60x = 10,806,998,810,703,651,930,112
  5. Step 5: Solve for x
    x = 10,806,998,810,703,651,930,112/84,880,303,214.60
  6. Step 6: Final answer
    x = 127,320,454,821.90

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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.