Home / 269,568,405.20-404,352,607.80-258,986,824.40

Finding the Fourth Proportional to 269,568,405.20, 404,352,607.80 and 258,986,824.40

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Solution

The fourth proportional to 269,568,405.20, 404,352,607.80 and 258,986,824.40 is: 388,480,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568,405.20 : 404,352,607.80 = 258,986,824.40 : x
  2. Step 2: Convert to fraction form
    269,568,405.20/404,352,607.80 = 258,986,824.40/x
  3. Step 3: Cross multiply
    269,568,405.20x = 404,352,607.80 × 258,986,824.40
  4. Step 4: Simplify right side
    269,568,405.20x = 104,721,997,831,980,672
  5. Step 5: Solve for x
    x = 104,721,997,831,980,672/269,568,405.20
  6. Step 6: Final answer
    x = 388,480,236.60

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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.