Home / 20,376,376,732.78-30,578,526,563.22-7,111,635,011.44

Finding the Fourth Proportional to 20,376,376,732.78, 30,578,526,563.22 and 7,111,635,011.44

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Solution

The fourth proportional to 20,376,376,732.78, 30,578,526,563.22 and 7,111,635,011.44 is: 10,672,325,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376,376,732.78 : 30,578,526,563.22 = 7,111,635,011.44 : x
  2. Step 2: Convert to fraction form
    20,376,376,732.78/30,578,526,563.22 = 7,111,635,011.44/x
  3. Step 3: Cross multiply
    20,376,376,732.78x = 30,578,526,563.22 × 7,111,635,011.44
  4. Step 4: Simplify right side
    20,376,376,732.78x = 217,463,320,105,157,787,648
  5. Step 5: Solve for x
    x = 217,463,320,105,157,787,648/20,376,376,732.78
  6. Step 6: Final answer
    x = 10,672,325,259.64

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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.