Home / 839,810,056.20-1,259,715,084.30-379,763,233.80

Finding the Fourth Proportional to 839,810,056.20, 1,259,715,084.30 and 379,763,233.80

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Solution

The fourth proportional to 839,810,056.20, 1,259,715,084.30 and 379,763,233.80 is: 569,644,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,056.20 : 1,259,715,084.30 = 379,763,233.80 : x
  2. Step 2: Convert to fraction form
    839,810,056.20/1,259,715,084.30 = 379,763,233.80/x
  3. Step 3: Cross multiply
    839,810,056.20x = 1,259,715,084.30 × 379,763,233.80
  4. Step 4: Simplify right side
    839,810,056.20x = 478,393,474,080,407,616
  5. Step 5: Solve for x
    x = 478,393,474,080,407,616/839,810,056.20
  6. Step 6: Final answer
    x = 569,644,850.70

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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.