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Finding the Fourth Proportional to 481,188,893,473.90, 721,783,340,210.85 and 481,188,893,473.90

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Solution

The fourth proportional to 481,188,893,473.90, 721,783,340,210.85 and 481,188,893,473.90 is: 721,783,340,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,188,893,473.90 : 721,783,340,210.85 = 481,188,893,473.90 : x
  2. Step 2: Convert to fraction form
    481,188,893,473.90/721,783,340,210.85 = 481,188,893,473.90/x
  3. Step 3: Cross multiply
    481,188,893,473.90x = 721,783,340,210.85 × 481,188,893,473.90
  4. Step 4: Simplify right side
    481,188,893,473.90x = 347,314,126,803,954,439,290,880
  5. Step 5: Solve for x
    x = 347,314,126,803,954,439,290,880/481,188,893,473.90
  6. Step 6: Final answer
    x = 721,783,340,210.85

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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.