Home / 759,010,177.01-1,138,540,467.32-261,015,806.09

Finding the Fourth Proportional to 759,010,177.01, 1,138,540,467.32 and 261,015,806.09

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Solution

The fourth proportional to 759,010,177.01, 1,138,540,467.32 and 261,015,806.09 is: 391,532,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,010,177.01 : 1,138,540,467.32 = 261,015,806.09 : x
  2. Step 2: Convert to fraction form
    759,010,177.01/1,138,540,467.32 = 261,015,806.09/x
  3. Step 3: Cross multiply
    759,010,177.01x = 1,138,540,467.32 × 261,015,806.09
  4. Step 4: Simplify right side
    759,010,177.01x = 297,177,057,843,615,104
  5. Step 5: Solve for x
    x = 297,177,057,843,615,104/759,010,177.01
  6. Step 6: Final answer
    x = 391,532,375.78

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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.