Home / 393,286,612.75-589,958,262.65-150,949,516.75

Finding the Fourth Proportional to 393,286,612.75, 589,958,262.65 and 150,949,516.75

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Solution

The fourth proportional to 393,286,612.75, 589,958,262.65 and 150,949,516.75 is: 226,435,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,286,612.75 : 589,958,262.65 = 150,949,516.75 : x
  2. Step 2: Convert to fraction form
    393,286,612.75/589,958,262.65 = 150,949,516.75/x
  3. Step 3: Cross multiply
    393,286,612.75x = 589,958,262.65 × 150,949,516.75
  4. Step 4: Simplify right side
    393,286,612.75x = 89,053,914,649,687,072
  5. Step 5: Solve for x
    x = 89,053,914,649,687,072/393,286,612.75
  6. Step 6: Final answer
    x = 226,435,153.81

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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.