Home / 269,575,999.20-404,363,998.80-258,994,418.40

Finding the Fourth Proportional to 269,575,999.20, 404,363,998.80 and 258,994,418.40

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Solution

The fourth proportional to 269,575,999.20, 404,363,998.80 and 258,994,418.40 is: 388,491,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,575,999.20 : 404,363,998.80 = 258,994,418.40 : x
  2. Step 2: Convert to fraction form
    269,575,999.20/404,363,998.80 = 258,994,418.40/x
  3. Step 3: Cross multiply
    269,575,999.20x = 404,363,998.80 × 258,994,418.40
  4. Step 4: Simplify right side
    269,575,999.20x = 104,728,018,691,104,304
  5. Step 5: Solve for x
    x = 104,728,018,691,104,304/269,575,999.20
  6. Step 6: Final answer
    x = 388,491,627.60

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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.