Home / 457,276,026.72-631,028,631.62-269,115,391.20

Finding the Fourth Proportional to 457,276,026.72, 631,028,631.62 and 269,115,391.20

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Solution

The fourth proportional to 457,276,026.72, 631,028,631.62 and 269,115,391.20 is: 371,372,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,276,026.72 : 631,028,631.62 = 269,115,391.20 : x
  2. Step 2: Convert to fraction form
    457,276,026.72/631,028,631.62 = 269,115,391.20/x
  3. Step 3: Cross multiply
    457,276,026.72x = 631,028,631.62 × 269,115,391.20
  4. Step 4: Simplify right side
    457,276,026.72x = 169,819,517,056,816,992
  5. Step 5: Solve for x
    x = 169,819,517,056,816,992/457,276,026.72
  6. Step 6: Final answer
    x = 371,372,009.76

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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.