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Finding the Fourth Proportional to 3,825,792,108.90, 5,729,618,236.95 and 3,825,792,108.90

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Solution

The fourth proportional to 3,825,792,108.90, 5,729,618,236.95 and 3,825,792,108.90 is: 5,729,618,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,792,108.90 : 5,729,618,236.95 = 3,825,792,108.90 : x
  2. Step 2: Convert to fraction form
    3,825,792,108.90/5,729,618,236.95 = 3,825,792,108.90/x
  3. Step 3: Cross multiply
    3,825,792,108.90x = 5,729,618,236.95 × 3,825,792,108.90
  4. Step 4: Simplify right side
    3,825,792,108.90x = 21,920,328,237,932,838,912
  5. Step 5: Solve for x
    x = 21,920,328,237,932,838,912/3,825,792,108.90
  6. Step 6: Final answer
    x = 5,729,618,236.95

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1.5x scale

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.