Home / 3,172,313,378.87-4,377,529,333.60-1,743,309,346.58

Finding the Fourth Proportional to 3,172,313,378.87, 4,377,529,333.60 and 1,743,309,346.58

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Solution

The fourth proportional to 3,172,313,378.87, 4,377,529,333.60 and 1,743,309,346.58 is: 2,405,622,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,313,378.87 : 4,377,529,333.60 = 1,743,309,346.58 : x
  2. Step 2: Convert to fraction form
    3,172,313,378.87/4,377,529,333.60 = 1,743,309,346.58/x
  3. Step 3: Cross multiply
    3,172,313,378.87x = 4,377,529,333.60 × 1,743,309,346.58
  4. Step 4: Simplify right side
    3,172,313,378.87x = 7,631,387,802,171,112,448
  5. Step 5: Solve for x
    x = 7,631,387,802,171,112,448/3,172,313,378.87
  6. Step 6: Final answer
    x = 2,405,622,298.55

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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.