Home / 279,435,504,291.27-385,939,086,010.78-187,825,007,440.61

Finding the Fourth Proportional to 279,435,504,291.27, 385,939,086,010.78 and 187,825,007,440.61

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Solution

The fourth proportional to 279,435,504,291.27, 385,939,086,010.78 and 187,825,007,440.61 is: 259,412,317,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,435,504,291.27 : 385,939,086,010.78 = 187,825,007,440.61 : x
  2. Step 2: Convert to fraction form
    279,435,504,291.27/385,939,086,010.78 = 187,825,007,440.61/x
  3. Step 3: Cross multiply
    279,435,504,291.27x = 385,939,086,010.78 × 187,825,007,440.61
  4. Step 4: Simplify right side
    279,435,504,291.27x = 72,489,011,701,596,974,743,552
  5. Step 5: Solve for x
    x = 72,489,011,701,596,974,743,552/279,435,504,291.27
  6. Step 6: Final answer
    x = 259,412,317,291.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.