Home / 408,747,769.32-613,115,879.22-190,275,917.16

Finding the Fourth Proportional to 408,747,769.32, 613,115,879.22 and 190,275,917.16

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Solution

The fourth proportional to 408,747,769.32, 613,115,879.22 and 190,275,917.16 is: 285,411,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,747,769.32 : 613,115,879.22 = 190,275,917.16 : x
  2. Step 2: Convert to fraction form
    408,747,769.32/613,115,879.22 = 190,275,917.16/x
  3. Step 3: Cross multiply
    408,747,769.32x = 613,115,879.22 × 190,275,917.16
  4. Step 4: Simplify right side
    408,747,769.32x = 116,661,186,243,945,296
  5. Step 5: Solve for x
    x = 116,661,186,243,945,296/408,747,769.32
  6. Step 6: Final answer
    x = 285,411,187.54

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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.