Home / 285,344,755.32-427,290,530.04-188,005,357.44

Finding the Fourth Proportional to 285,344,755.32, 427,290,530.04 and 188,005,357.44

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Solution

The fourth proportional to 285,344,755.32, 427,290,530.04 and 188,005,357.44 is: 281,529,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,344,755.32 : 427,290,530.04 = 188,005,357.44 : x
  2. Step 2: Convert to fraction form
    285,344,755.32/427,290,530.04 = 188,005,357.44/x
  3. Step 3: Cross multiply
    285,344,755.32x = 427,290,530.04 × 188,005,357.44
  4. Step 4: Simplify right side
    285,344,755.32x = 80,332,908,830,897,264
  5. Step 5: Solve for x
    x = 80,332,908,830,897,264/285,344,755.32
  6. Step 6: Final answer
    x = 281,529,298.62

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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.