Home / 773,800,412.23-1,160,879,930.78-221,110,039.09

Finding the Fourth Proportional to 773,800,412.23, 1,160,879,930.78 and 221,110,039.09

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Solution

The fourth proportional to 773,800,412.23, 1,160,879,930.78 and 221,110,039.09 is: 331,716,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,800,412.23 : 1,160,879,930.78 = 221,110,039.09 : x
  2. Step 2: Convert to fraction form
    773,800,412.23/1,160,879,930.78 = 221,110,039.09/x
  3. Step 3: Cross multiply
    773,800,412.23x = 1,160,879,930.78 × 221,110,039.09
  4. Step 4: Simplify right side
    773,800,412.23x = 256,682,206,873,562,304
  5. Step 5: Solve for x
    x = 256,682,206,873,562,304/773,800,412.23
  6. Step 6: Final answer
    x = 331,716,296.37

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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.