Home / 373,438,231.94-515,334,502.86-206,171,453.69

Finding the Fourth Proportional to 373,438,231.94, 515,334,502.86 and 206,171,453.69

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Solution

The fourth proportional to 373,438,231.94, 515,334,502.86 and 206,171,453.69 is: 284,510,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,438,231.94 : 515,334,502.86 = 206,171,453.69 : x
  2. Step 2: Convert to fraction form
    373,438,231.94/515,334,502.86 = 206,171,453.69/x
  3. Step 3: Cross multiply
    373,438,231.94x = 515,334,502.86 × 206,171,453.69
  4. Step 4: Simplify right side
    373,438,231.94x = 106,247,263,589,842,352
  5. Step 5: Solve for x
    x = 106,247,263,589,842,352/373,438,231.94
  6. Step 6: Final answer
    x = 284,510,943.18

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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.