Home / 1,468,391,563.86-2,202,660,534.96-419,285,367.51

Finding the Fourth Proportional to 1,468,391,563.86, 2,202,660,534.96 and 419,285,367.51

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Solution

The fourth proportional to 1,468,391,563.86, 2,202,660,534.96 and 419,285,367.51 is: 628,948,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,391,563.86 : 2,202,660,534.96 = 419,285,367.51 : x
  2. Step 2: Convert to fraction form
    1,468,391,563.86/2,202,660,534.96 = 419,285,367.51/x
  3. Step 3: Cross multiply
    1,468,391,563.86x = 2,202,660,534.96 × 419,285,367.51
  4. Step 4: Simplify right side
    1,468,391,563.86x = 923,543,331,900,476,800
  5. Step 5: Solve for x
    x = 923,543,331,900,476,800/1,468,391,563.86
  6. Step 6: Final answer
    x = 628,948,949.74

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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.