Home / 347,466,344.40-521,597,647.80-203,940,046.80

Finding the Fourth Proportional to 347,466,344.40, 521,597,647.80 and 203,940,046.80

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Solution

The fourth proportional to 347,466,344.40, 521,597,647.80 and 203,940,046.80 is: 306,143,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,466,344.40 : 521,597,647.80 = 203,940,046.80 : x
  2. Step 2: Convert to fraction form
    347,466,344.40/521,597,647.80 = 203,940,046.80/x
  3. Step 3: Cross multiply
    347,466,344.40x = 521,597,647.80 × 203,940,046.80
  4. Step 4: Simplify right side
    347,466,344.40x = 106,374,648,703,101,920
  5. Step 5: Solve for x
    x = 106,374,648,703,101,920/347,466,344.40
  6. Step 6: Final answer
    x = 306,143,747.21

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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.