Home / 3,172,313,390.68-4,377,529,349.93-1,743,309,358.39

Finding the Fourth Proportional to 3,172,313,390.68, 4,377,529,349.93 and 1,743,309,358.39

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Solution

The fourth proportional to 3,172,313,390.68, 4,377,529,349.93 and 1,743,309,358.39 is: 2,405,622,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,313,390.68 : 4,377,529,349.93 = 1,743,309,358.39 : x
  2. Step 2: Convert to fraction form
    3,172,313,390.68/4,377,529,349.93 = 1,743,309,358.39/x
  3. Step 3: Cross multiply
    3,172,313,390.68x = 4,377,529,349.93 × 1,743,309,358.39
  4. Step 4: Simplify right side
    3,172,313,390.68x = 7,631,387,882,329,257,984
  5. Step 5: Solve for x
    x = 7,631,387,882,329,257,984/3,172,313,390.68
  6. Step 6: Final answer
    x = 2,405,622,314.86

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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.