Home / 269,481,206.40-403,465,982.40-261,922,934.40

Finding the Fourth Proportional to 269,481,206.40, 403,465,982.40 and 261,922,934.40

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Solution

The fourth proportional to 269,481,206.40, 403,465,982.40 and 261,922,934.40 is: 392,149,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,481,206.40 : 403,465,982.40 = 261,922,934.40 : x
  2. Step 2: Convert to fraction form
    269,481,206.40/403,465,982.40 = 261,922,934.40/x
  3. Step 3: Cross multiply
    269,481,206.40x = 403,465,982.40 × 261,922,934.40
  4. Step 4: Simplify right side
    269,481,206.40x = 105,676,994,040,786,752
  5. Step 5: Solve for x
    x = 105,676,994,040,786,752/269,481,206.40
  6. Step 6: Final answer
    x = 392,149,773.46

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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.