Home / 294,039,773.88-405,767,471.34-161,879,451.36

Finding the Fourth Proportional to 294,039,773.88, 405,767,471.34 and 161,879,451.36

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Solution

The fourth proportional to 294,039,773.88, 405,767,471.34 and 161,879,451.36 is: 223,389,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,039,773.88 : 405,767,471.34 = 161,879,451.36 : x
  2. Step 2: Convert to fraction form
    294,039,773.88/405,767,471.34 = 161,879,451.36/x
  3. Step 3: Cross multiply
    294,039,773.88x = 405,767,471.34 × 161,879,451.36
  4. Step 4: Simplify right side
    294,039,773.88x = 65,685,415,640,253,728
  5. Step 5: Solve for x
    x = 65,685,415,640,253,728/294,039,773.88
  6. Step 6: Final answer
    x = 223,389,559.76

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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.