Home / 423,028,542.43-633,058,284.85-339,825,847.30

Finding the Fourth Proportional to 423,028,542.43, 633,058,284.85 and 339,825,847.30

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Solution

The fourth proportional to 423,028,542.43, 633,058,284.85 and 339,825,847.30 is: 508,546,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,028,542.43 : 633,058,284.85 = 339,825,847.30 : x
  2. Step 2: Convert to fraction form
    423,028,542.43/633,058,284.85 = 339,825,847.30/x
  3. Step 3: Cross multiply
    423,028,542.43x = 633,058,284.85 × 339,825,847.30
  4. Step 4: Simplify right side
    423,028,542.43x = 215,129,568,039,436,032
  5. Step 5: Solve for x
    x = 215,129,568,039,436,032/423,028,542.43
  6. Step 6: Final answer
    x = 508,546,224.34

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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.