Home / 654,022,415.78-981,037,166.07-193,964,571.14

Finding the Fourth Proportional to 654,022,415.78, 981,037,166.07 and 193,964,571.14

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Solution

The fourth proportional to 654,022,415.78, 981,037,166.07 and 193,964,571.14 is: 290,947,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,022,415.78 : 981,037,166.07 = 193,964,571.14 : x
  2. Step 2: Convert to fraction form
    654,022,415.78/981,037,166.07 = 193,964,571.14/x
  3. Step 3: Cross multiply
    654,022,415.78x = 981,037,166.07 × 193,964,571.14
  4. Step 4: Simplify right side
    654,022,415.78x = 190,286,453,189,168,512
  5. Step 5: Solve for x
    x = 190,286,453,189,168,512/654,022,415.78
  6. Step 6: Final answer
    x = 290,947,907.29

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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.