Home / 50,376,061,510.92-75,505,979,389.86-18,913,644,189.72

Finding the Fourth Proportional to 50,376,061,510.92, 75,505,979,389.86 and 18,913,644,189.72

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Solution

The fourth proportional to 50,376,061,510.92, 75,505,979,389.86 and 18,913,644,189.72 is: 28,348,647,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,376,061,510.92 : 75,505,979,389.86 = 18,913,644,189.72 : x
  2. Step 2: Convert to fraction form
    50,376,061,510.92/75,505,979,389.86 = 18,913,644,189.72/x
  3. Step 3: Cross multiply
    50,376,061,510.92x = 75,505,979,389.86 × 18,913,644,189.72
  4. Step 4: Simplify right side
    50,376,061,510.92x = 1,428,093,228,376,143,691,776
  5. Step 5: Solve for x
    x = 1,428,093,228,376,143,691,776/50,376,061,510.92
  6. Step 6: Final answer
    x = 28,348,647,860.58

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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.