Home / 18,949,436,755.96-28,379,032,684.59-10,964,777,617.06

Finding the Fourth Proportional to 18,949,436,755.96, 28,379,032,684.59 and 10,964,777,617.06

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Solution

The fourth proportional to 18,949,436,755.96, 28,379,032,684.59 and 10,964,777,617.06 is: 16,421,057,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949,436,755.96 : 28,379,032,684.59 = 10,964,777,617.06 : x
  2. Step 2: Convert to fraction form
    18,949,436,755.96/28,379,032,684.59 = 10,964,777,617.06/x
  3. Step 3: Cross multiply
    18,949,436,755.96x = 28,379,032,684.59 × 10,964,777,617.06
  4. Step 4: Simplify right side
    18,949,436,755.96x = 311,169,782,373,806,571,520
  5. Step 5: Solve for x
    x = 311,169,782,373,806,571,520/18,949,436,755.96
  6. Step 6: Final answer
    x = 16,421,057,067.88

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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.