Home / 481,144,486.32-663,979,662.99-261,127,912.32

Finding the Fourth Proportional to 481,144,486.32, 663,979,662.99 and 261,127,912.32

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Solution

The fourth proportional to 481,144,486.32, 663,979,662.99 and 261,127,912.32 is: 360,356,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,144,486.32 : 663,979,662.99 = 261,127,912.32 : x
  2. Step 2: Convert to fraction form
    481,144,486.32/663,979,662.99 = 261,127,912.32/x
  3. Step 3: Cross multiply
    481,144,486.32x = 663,979,662.99 × 261,127,912.32
  4. Step 4: Simplify right side
    481,144,486.32x = 173,383,623,219,515,872
  5. Step 5: Solve for x
    x = 173,383,623,219,515,872/481,144,486.32
  6. Step 6: Final answer
    x = 360,356,666.55

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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.