Home / 419,906,084.40-629,859,126.60-316,441,738.80

Finding the Fourth Proportional to 419,906,084.40, 629,859,126.60 and 316,441,738.80

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Solution

The fourth proportional to 419,906,084.40, 629,859,126.60 and 316,441,738.80 is: 474,662,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,084.40 : 629,859,126.60 = 316,441,738.80 : x
  2. Step 2: Convert to fraction form
    419,906,084.40/629,859,126.60 = 316,441,738.80/x
  3. Step 3: Cross multiply
    419,906,084.40x = 629,859,126.60 × 316,441,738.80
  4. Step 4: Simplify right side
    419,906,084.40x = 199,313,717,220,353,344
  5. Step 5: Solve for x
    x = 199,313,717,220,353,344/419,906,084.40
  6. Step 6: Final answer
    x = 474,662,608.20

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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.