Home / 726,778,351.82-1,002,958,200.34-413,512,559.30

Finding the Fourth Proportional to 726,778,351.82, 1,002,958,200.34 and 413,512,559.30

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Solution

The fourth proportional to 726,778,351.82, 1,002,958,200.34 and 413,512,559.30 is: 570,649,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,778,351.82 : 1,002,958,200.34 = 413,512,559.30 : x
  2. Step 2: Convert to fraction form
    726,778,351.82/1,002,958,200.34 = 413,512,559.30/x
  3. Step 3: Cross multiply
    726,778,351.82x = 1,002,958,200.34 × 413,512,559.30
  4. Step 4: Simplify right side
    726,778,351.82x = 414,735,812,293,515,584
  5. Step 5: Solve for x
    x = 414,735,812,293,515,584/726,778,351.82
  6. Step 6: Final answer
    x = 570,649,650.27

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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.