Home / 285,344,684.44-427,290,423.66-188,005,286.28

Finding the Fourth Proportional to 285,344,684.44, 427,290,423.66 and 188,005,286.28

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Solution

The fourth proportional to 285,344,684.44, 427,290,423.66 and 188,005,286.28 is: 281,529,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,344,684.44 : 427,290,423.66 = 188,005,286.28 : x
  2. Step 2: Convert to fraction form
    285,344,684.44/427,290,423.66 = 188,005,286.28/x
  3. Step 3: Cross multiply
    285,344,684.44x = 427,290,423.66 × 188,005,286.28
  4. Step 4: Simplify right side
    285,344,684.44x = 80,332,858,424,900,784
  5. Step 5: Solve for x
    x = 80,332,858,424,900,784/285,344,684.44
  6. Step 6: Final answer
    x = 281,529,191.91

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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.