Home / 777,279,927.78-1,166,124,090.24-279,340,716.92

Finding the Fourth Proportional to 777,279,927.78, 1,166,124,090.24 and 279,340,716.92

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Solution

The fourth proportional to 777,279,927.78, 1,166,124,090.24 and 279,340,716.92 is: 419,084,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,279,927.78 : 1,166,124,090.24 = 279,340,716.92 : x
  2. Step 2: Convert to fraction form
    777,279,927.78/1,166,124,090.24 = 279,340,716.92/x
  3. Step 3: Cross multiply
    777,279,927.78x = 1,166,124,090.24 × 279,340,716.92
  4. Step 4: Simplify right side
    777,279,927.78x = 325,745,939,379,493,760
  5. Step 5: Solve for x
    x = 325,745,939,379,493,760/777,279,927.78
  6. Step 6: Final answer
    x = 419,084,460.74

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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.