Home / 279,435,504,291.53-385,939,086,011.12-187,825,007,440.86

Finding the Fourth Proportional to 279,435,504,291.53, 385,939,086,011.12 and 187,825,007,440.86

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Solution

The fourth proportional to 279,435,504,291.53, 385,939,086,011.12 and 187,825,007,440.86 is: 259,412,317,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,435,504,291.53 : 385,939,086,011.12 = 187,825,007,440.86 : x
  2. Step 2: Convert to fraction form
    279,435,504,291.53/385,939,086,011.12 = 187,825,007,440.86/x
  3. Step 3: Cross multiply
    279,435,504,291.53x = 385,939,086,011.12 × 187,825,007,440.86
  4. Step 4: Simplify right side
    279,435,504,291.53x = 72,489,011,701,757,314,596,864
  5. Step 5: Solve for x
    x = 72,489,011,701,757,314,596,864/279,435,504,291.53
  6. Step 6: Final answer
    x = 259,412,317,291.40

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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.