Home / 15,178,045,178,487-20,945,702,346,309-8,682,165,839,422.60

Finding the Fourth Proportional to 15,178,045,178,487, 20,945,702,346,309 and 8,682,165,839,422.60

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Solution

The fourth proportional to 15,178,045,178,487, 20,945,702,346,309 and 8,682,165,839,422.60 is: 11,981,388,858,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,045,178,487 : 20,945,702,346,309 = 8,682,165,839,422.60 : x
  2. Step 2: Convert to fraction form
    15,178,045,178,487/20,945,702,346,309 = 8,682,165,839,422.60/x
  3. Step 3: Cross multiply
    15,178,045,178,487x = 20,945,702,346,309 × 8,682,165,839,422.60
  4. Step 4: Simplify right side
    15,178,045,178,487x = 181,854,061,393,837,787,757,674,496
  5. Step 5: Solve for x
    x = 181,854,061,393,837,787,757,674,496/15,178,045,178,487
  6. Step 6: Final answer
    x = 11,981,388,858,401.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.