Home / 21,192,162,911.16-31,794,447,405.85-6,833,582,578.23

Finding the Fourth Proportional to 21,192,162,911.16, 31,794,447,405.85 and 6,833,582,578.23

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Solution

The fourth proportional to 21,192,162,911.16, 31,794,447,405.85 and 6,833,582,578.23 is: 10,252,374,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,162,911.16 : 31,794,447,405.85 = 6,833,582,578.23 : x
  2. Step 2: Convert to fraction form
    21,192,162,911.16/31,794,447,405.85 = 6,833,582,578.23/x
  3. Step 3: Cross multiply
    21,192,162,911.16x = 31,794,447,405.85 × 6,833,582,578.23
  4. Step 4: Simplify right side
    21,192,162,911.16x = 217,269,981,877,066,563,584
  5. Step 5: Solve for x
    x = 217,269,981,877,066,563,584/21,192,162,911.16
  6. Step 6: Final answer
    x = 10,252,374,086.96

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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.