Home / 371,101,698.56-512,106,313.96-206,099,896.88

Finding the Fourth Proportional to 371,101,698.56, 512,106,313.96 and 206,099,896.88

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Solution

The fourth proportional to 371,101,698.56, 512,106,313.96 and 206,099,896.88 is: 284,410,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,101,698.56 : 512,106,313.96 = 206,099,896.88 : x
  2. Step 2: Convert to fraction form
    371,101,698.56/512,106,313.96 = 206,099,896.88/x
  3. Step 3: Cross multiply
    371,101,698.56x = 512,106,313.96 × 206,099,896.88
  4. Step 4: Simplify right side
    371,101,698.56x = 105,545,058,498,752,896
  5. Step 5: Solve for x
    x = 105,545,058,498,752,896/371,101,698.56
  6. Step 6: Final answer
    x = 284,410,065.78

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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.