Home / 1,213,818,858.57-1,675,052,198.13-677,978,343.42

Finding the Fourth Proportional to 1,213,818,858.57, 1,675,052,198.13 and 677,978,343.42

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Solution

The fourth proportional to 1,213,818,858.57, 1,675,052,198.13 and 677,978,343.42 is: 935,600,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,818,858.57 : 1,675,052,198.13 = 677,978,343.42 : x
  2. Step 2: Convert to fraction form
    1,213,818,858.57/1,675,052,198.13 = 677,978,343.42/x
  3. Step 3: Cross multiply
    1,213,818,858.57x = 1,675,052,198.13 × 677,978,343.42
  4. Step 4: Simplify right side
    1,213,818,858.57x = 1,135,649,114,436,089,600
  5. Step 5: Solve for x
    x = 1,135,649,114,436,089,600/1,213,818,858.57
  6. Step 6: Final answer
    x = 935,600,156.82

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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.