Home / 285,344,683.44-427,290,422.16-188,005,285.28

Finding the Fourth Proportional to 285,344,683.44, 427,290,422.16 and 188,005,285.28

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Solution

The fourth proportional to 285,344,683.44, 427,290,422.16 and 188,005,285.28 is: 281,529,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,344,683.44 : 427,290,422.16 = 188,005,285.28 : x
  2. Step 2: Convert to fraction form
    285,344,683.44/427,290,422.16 = 188,005,285.28/x
  3. Step 3: Cross multiply
    285,344,683.44x = 427,290,422.16 × 188,005,285.28
  4. Step 4: Simplify right side
    285,344,683.44x = 80,332,857,715,602,432
  5. Step 5: Solve for x
    x = 80,332,857,715,602,432/285,344,683.44
  6. Step 6: Final answer
    x = 281,529,190.41

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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.