Home / 269,549,389.20-404,324,083.80-258,967,808.40

Finding the Fourth Proportional to 269,549,389.20, 404,324,083.80 and 258,967,808.40

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Solution

The fourth proportional to 269,549,389.20, 404,324,083.80 and 258,967,808.40 is: 388,451,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,549,389.20 : 404,324,083.80 = 258,967,808.40 : x
  2. Step 2: Convert to fraction form
    269,549,389.20/404,324,083.80 = 258,967,808.40/x
  3. Step 3: Cross multiply
    269,549,389.20x = 404,324,083.80 × 258,967,808.40
  4. Step 4: Simplify right side
    269,549,389.20x = 104,706,921,865,023,952
  5. Step 5: Solve for x
    x = 104,706,921,865,023,952/269,549,389.20
  6. Step 6: Final answer
    x = 388,451,712.60

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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.