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Finding the Fourth Proportional to 481,188,893,639.65, 721,783,340,459.48 and 481,188,893,639.65

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Solution

The fourth proportional to 481,188,893,639.65, 721,783,340,459.48 and 481,188,893,639.65 is: 721,783,340,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,188,893,639.65 : 721,783,340,459.48 = 481,188,893,639.65 : x
  2. Step 2: Convert to fraction form
    481,188,893,639.65/721,783,340,459.48 = 481,188,893,639.65/x
  3. Step 3: Cross multiply
    481,188,893,639.65x = 721,783,340,459.48 × 481,188,893,639.65
  4. Step 4: Simplify right side
    481,188,893,639.65x = 347,314,127,043,228,006,875,136
  5. Step 5: Solve for x
    x = 347,314,127,043,228,006,875,136/481,188,893,639.65
  6. Step 6: Final answer
    x = 721,783,340,459.48

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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.