Home / 408,854,304,058.20-613,281,456,087.30-339,197,269,306.20

Finding the Fourth Proportional to 408,854,304,058.20, 613,281,456,087.30 and 339,197,269,306.20

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Solution

The fourth proportional to 408,854,304,058.20, 613,281,456,087.30 and 339,197,269,306.20 is: 508,795,903,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,854,304,058.20 : 613,281,456,087.30 = 339,197,269,306.20 : x
  2. Step 2: Convert to fraction form
    408,854,304,058.20/613,281,456,087.30 = 339,197,269,306.20/x
  3. Step 3: Cross multiply
    408,854,304,058.20x = 613,281,456,087.30 × 339,197,269,306.20
  4. Step 4: Simplify right side
    408,854,304,058.20x = 208,023,395,220,942,407,860,224
  5. Step 5: Solve for x
    x = 208,023,395,220,942,407,860,224/408,854,304,058.20
  6. Step 6: Final answer
    x = 508,795,903,959.30

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Double scale
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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.