Home / 269,576,021.70-404,364,032.55-258,994,440.90

Finding the Fourth Proportional to 269,576,021.70, 404,364,032.55 and 258,994,440.90

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Solution

The fourth proportional to 269,576,021.70, 404,364,032.55 and 258,994,440.90 is: 388,491,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,576,021.70 : 404,364,032.55 = 258,994,440.90 : x
  2. Step 2: Convert to fraction form
    269,576,021.70/404,364,032.55 = 258,994,440.90/x
  3. Step 3: Cross multiply
    269,576,021.70x = 404,364,032.55 × 258,994,440.90
  4. Step 4: Simplify right side
    269,576,021.70x = 104,728,036,530,356,656
  5. Step 5: Solve for x
    x = 104,728,036,530,356,656/269,576,021.70
  6. Step 6: Final answer
    x = 388,491,661.35

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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.