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Finding the Fourth Proportional to 589,797,452.25, 813,940,033.35 and 321,887,954.54

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Solution

The fourth proportional to 589,797,452.25, 813,940,033.35 and 321,887,954.54 is: 444,216,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,797,452.25 : 813,940,033.35 = 321,887,954.54 : x
  2. Step 2: Convert to fraction form
    589,797,452.25/813,940,033.35 = 321,887,954.54/x
  3. Step 3: Cross multiply
    589,797,452.25x = 813,940,033.35 × 321,887,954.54
  4. Step 4: Simplify right side
    589,797,452.25x = 261,997,492,453,250,912
  5. Step 5: Solve for x
    x = 261,997,492,453,250,912/589,797,452.25
  6. Step 6: Final answer
    x = 444,216,046.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.