Home / 7,776,678,846.19-11,663,702,573.42-2,179,327,695.81

Finding the Fourth Proportional to 7,776,678,846.19, 11,663,702,573.42 and 2,179,327,695.81

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Solution

The fourth proportional to 7,776,678,846.19, 11,663,702,573.42 and 2,179,327,695.81 is: 3,268,622,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,678,846.19 : 11,663,702,573.42 = 2,179,327,695.81 : x
  2. Step 2: Convert to fraction form
    7,776,678,846.19/11,663,702,573.42 = 2,179,327,695.81/x
  3. Step 3: Cross multiply
    7,776,678,846.19x = 11,663,702,573.42 × 2,179,327,695.81
  4. Step 4: Simplify right side
    7,776,678,846.19x = 25,419,030,053,933,682,688
  5. Step 5: Solve for x
    x = 25,419,030,053,933,682,688/7,776,678,846.19
  6. Step 6: Final answer
    x = 3,268,622,834.59

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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.