Home / 3,172,313,372.07-4,377,529,324.26-1,743,309,339.78

Finding the Fourth Proportional to 3,172,313,372.07, 4,377,529,324.26 and 1,743,309,339.78

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Solution

The fourth proportional to 3,172,313,372.07, 4,377,529,324.26 and 1,743,309,339.78 is: 2,405,622,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,313,372.07 : 4,377,529,324.26 = 1,743,309,339.78 : x
  2. Step 2: Convert to fraction form
    3,172,313,372.07/4,377,529,324.26 = 1,743,309,339.78/x
  3. Step 3: Cross multiply
    3,172,313,372.07x = 4,377,529,324.26 × 1,743,309,339.78
  4. Step 4: Simplify right side
    3,172,313,372.07x = 7,631,387,756,143,290,368
  5. Step 5: Solve for x
    x = 7,631,387,756,143,290,368/3,172,313,372.07
  6. Step 6: Final answer
    x = 2,405,622,289.19

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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.