Home / 269,576,005.20-404,364,007.80-258,994,424.40

Finding the Fourth Proportional to 269,576,005.20, 404,364,007.80 and 258,994,424.40

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Solution

The fourth proportional to 269,576,005.20, 404,364,007.80 and 258,994,424.40 is: 388,491,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,576,005.20 : 404,364,007.80 = 258,994,424.40 : x
  2. Step 2: Convert to fraction form
    269,576,005.20/404,364,007.80 = 258,994,424.40/x
  3. Step 3: Cross multiply
    269,576,005.20x = 404,364,007.80 × 258,994,424.40
  4. Step 4: Simplify right side
    269,576,005.20x = 104,728,023,448,238,112
  5. Step 5: Solve for x
    x = 104,728,023,448,238,112/269,576,005.20
  6. Step 6: Final answer
    x = 388,491,636.60

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1.5x scale

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.