Home / 269,568,467.20-404,352,700.80-258,986,886.40

Finding the Fourth Proportional to 269,568,467.20, 404,352,700.80 and 258,986,886.40

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Solution

The fourth proportional to 269,568,467.20, 404,352,700.80 and 258,986,886.40 is: 388,480,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568,467.20 : 404,352,700.80 = 258,986,886.40 : x
  2. Step 2: Convert to fraction form
    269,568,467.20/404,352,700.80 = 258,986,886.40/x
  3. Step 3: Cross multiply
    269,568,467.20x = 404,352,700.80 × 258,986,886.40
  4. Step 4: Simplify right side
    269,568,467.20x = 104,722,046,987,622,800
  5. Step 5: Solve for x
    x = 104,722,046,987,622,800/269,568,467.20
  6. Step 6: Final answer
    x = 388,480,329.60

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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.