Home / 419,147,111.43-628,025,619.24-254,887,998.48

Finding the Fourth Proportional to 419,147,111.43, 628,025,619.24 and 254,887,998.48

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Solution

The fourth proportional to 419,147,111.43, 628,025,619.24 and 254,887,998.48 is: 381,909,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,147,111.43 : 628,025,619.24 = 254,887,998.48 : x
  2. Step 2: Convert to fraction form
    419,147,111.43/628,025,619.24 = 254,887,998.48/x
  3. Step 3: Cross multiply
    419,147,111.43x = 628,025,619.24 × 254,887,998.48
  4. Step 4: Simplify right side
    419,147,111.43x = 160,076,193,082,246,176
  5. Step 5: Solve for x
    x = 160,076,193,082,246,176/419,147,111.43
  6. Step 6: Final answer
    x = 381,909,331.39

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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.