Home / 281,738,290-388,634,119.32-177,150,778.96

Finding the Fourth Proportional to 281,738,290, 388,634,119.32 and 177,150,778.96

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Solution

The fourth proportional to 281,738,290, 388,634,119.32 and 177,150,778.96 is: 244,364,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,738,290 : 388,634,119.32 = 177,150,778.96 : x
  2. Step 2: Convert to fraction form
    281,738,290/388,634,119.32 = 177,150,778.96/x
  3. Step 3: Cross multiply
    281,738,290x = 388,634,119.32 × 177,150,778.96
  4. Step 4: Simplify right side
    281,738,290x = 68,846,836,967,971,584
  5. Step 5: Solve for x
    x = 68,846,836,967,971,584/281,738,290
  6. Step 6: Final answer
    x = 244,364,502.13

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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.