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Finding the Fourth Proportional to 220,876,276,937.60, 331,314,415,406.40 and 220,876,276,937.60

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Solution

The fourth proportional to 220,876,276,937.60, 331,314,415,406.40 and 220,876,276,937.60 is: 331,314,415,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,876,276,937.60 : 331,314,415,406.40 = 220,876,276,937.60 : x
  2. Step 2: Convert to fraction form
    220,876,276,937.60/331,314,415,406.40 = 220,876,276,937.60/x
  3. Step 3: Cross multiply
    220,876,276,937.60x = 331,314,415,406.40 × 220,876,276,937.60
  4. Step 4: Simplify right side
    220,876,276,937.60x = 73,179,494,570,723,062,579,200
  5. Step 5: Solve for x
    x = 73,179,494,570,723,062,579,200/220,876,276,937.60
  6. Step 6: Final answer
    x = 331,314,415,406.40

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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.