Home / 1,407,918,571.70-2,111,958,563.26-372,752,553.92

Finding the Fourth Proportional to 1,407,918,571.70, 2,111,958,563.26 and 372,752,553.92

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Solution

The fourth proportional to 1,407,918,571.70, 2,111,958,563.26 and 372,752,553.92 is: 559,150,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,918,571.70 : 2,111,958,563.26 = 372,752,553.92 : x
  2. Step 2: Convert to fraction form
    1,407,918,571.70/2,111,958,563.26 = 372,752,553.92/x
  3. Step 3: Cross multiply
    1,407,918,571.70x = 2,111,958,563.26 × 372,752,553.92
  4. Step 4: Simplify right side
    1,407,918,571.70x = 787,237,948,228,378,880
  5. Step 5: Solve for x
    x = 787,237,948,228,378,880/1,407,918,571.70
  6. Step 6: Final answer
    x = 559,150,198.07

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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.