Home / 274,997,933.28-380,496,439.44-239,789,151.36

Finding the Fourth Proportional to 274,997,933.28, 380,496,439.44 and 239,789,151.36

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Solution

The fourth proportional to 274,997,933.28, 380,496,439.44 and 239,789,151.36 is: 331,780,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,997,933.28 : 380,496,439.44 = 239,789,151.36 : x
  2. Step 2: Convert to fraction form
    274,997,933.28/380,496,439.44 = 239,789,151.36/x
  3. Step 3: Cross multiply
    274,997,933.28x = 380,496,439.44 × 239,789,151.36
  4. Step 4: Simplify right side
    274,997,933.28x = 91,238,918,308,819,232
  5. Step 5: Solve for x
    x = 91,238,918,308,819,232/274,997,933.28
  6. Step 6: Final answer
    x = 331,780,378.20

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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.