Home / 673,058,909.25-1,009,719,255.83-258,505,404.75

Finding the Fourth Proportional to 673,058,909.25, 1,009,719,255.83 and 258,505,404.75

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Solution

The fourth proportional to 673,058,909.25, 1,009,719,255.83 and 258,505,404.75 is: 387,808,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,058,909.25 : 1,009,719,255.83 = 258,505,404.75 : x
  2. Step 2: Convert to fraction form
    673,058,909.25/1,009,719,255.83 = 258,505,404.75/x
  3. Step 3: Cross multiply
    673,058,909.25x = 1,009,719,255.83 × 258,505,404.75
  4. Step 4: Simplify right side
    673,058,909.25x = 261,017,884,910,910,432
  5. Step 5: Solve for x
    x = 261,017,884,910,910,432/673,058,909.25
  6. Step 6: Final answer
    x = 387,808,379.51

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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.