Home / 285,344,756.32-427,290,531.54-188,005,358.44

Finding the Fourth Proportional to 285,344,756.32, 427,290,531.54 and 188,005,358.44

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Solution

The fourth proportional to 285,344,756.32, 427,290,531.54 and 188,005,358.44 is: 281,529,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,344,756.32 : 427,290,531.54 = 188,005,358.44 : x
  2. Step 2: Convert to fraction form
    285,344,756.32/427,290,531.54 = 188,005,358.44/x
  3. Step 3: Cross multiply
    285,344,756.32x = 427,290,531.54 × 188,005,358.44
  4. Step 4: Simplify right side
    285,344,756.32x = 80,332,909,540,195,824
  5. Step 5: Solve for x
    x = 80,332,909,540,195,824/285,344,756.32
  6. Step 6: Final answer
    x = 281,529,300.12

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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.