Home / 538,058,028,694.35-742,520,142,554.79-294,187,662,753.90

Finding the Fourth Proportional to 538,058,028,694.35, 742,520,142,554.79 and 294,187,662,753.90

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Solution

The fourth proportional to 538,058,028,694.35, 742,520,142,554.79 and 294,187,662,753.90 is: 405,979,009,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,058,028,694.35 : 742,520,142,554.79 = 294,187,662,753.90 : x
  2. Step 2: Convert to fraction form
    538,058,028,694.35/742,520,142,554.79 = 294,187,662,753.90/x
  3. Step 3: Cross multiply
    538,058,028,694.35x = 742,520,142,554.79 × 294,187,662,753.90
  4. Step 4: Simplify right side
    538,058,028,694.35x = 218,440,265,285,886,350,983,168
  5. Step 5: Solve for x
    x = 218,440,265,285,886,350,983,168/538,058,028,694.35
  6. Step 6: Final answer
    x = 405,979,009,022.42

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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.