Home / 414,023,777.97-620,969,852.84-137,652,004.77

Finding the Fourth Proportional to 414,023,777.97, 620,969,852.84 and 137,652,004.77

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Solution

The fourth proportional to 414,023,777.97, 620,969,852.84 and 137,652,004.77 is: 206,456,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,023,777.97 : 620,969,852.84 = 137,652,004.77 : x
  2. Step 2: Convert to fraction form
    414,023,777.97/620,969,852.84 = 137,652,004.77/x
  3. Step 3: Cross multiply
    414,023,777.97x = 620,969,852.84 × 137,652,004.77
  4. Step 4: Simplify right side
    414,023,777.97x = 85,477,745,144,469,632
  5. Step 5: Solve for x
    x = 85,477,745,144,469,632/414,023,777.97
  6. Step 6: Final answer
    x = 206,456,125.69

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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.