Home / 1,189,285,414.57-1,782,094,650.40-636,661,176.31

Finding the Fourth Proportional to 1,189,285,414.57, 1,782,094,650.40 and 636,661,176.31

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Solution

The fourth proportional to 1,189,285,414.57, 1,782,094,650.40 and 636,661,176.31 is: 954,010,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,285,414.57 : 1,782,094,650.40 = 636,661,176.31 : x
  2. Step 2: Convert to fraction form
    1,189,285,414.57/1,782,094,650.40 = 636,661,176.31/x
  3. Step 3: Cross multiply
    1,189,285,414.57x = 1,782,094,650.40 × 636,661,176.31
  4. Step 4: Simplify right side
    1,189,285,414.57x = 1,134,590,476,419,422,208
  5. Step 5: Solve for x
    x = 1,134,590,476,419,422,208/1,189,285,414.57
  6. Step 6: Final answer
    x = 954,010,250.63

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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.