Home / 854,936,333.09-1,283,233,765.79-412,590,310.49

Finding the Fourth Proportional to 854,936,333.09, 1,283,233,765.79 and 412,590,310.49

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Solution

The fourth proportional to 854,936,333.09, 1,283,233,765.79 and 412,590,310.49 is: 619,285,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,936,333.09 : 1,283,233,765.79 = 412,590,310.49 : x
  2. Step 2: Convert to fraction form
    854,936,333.09/1,283,233,765.79 = 412,590,310.49/x
  3. Step 3: Cross multiply
    854,936,333.09x = 1,283,233,765.79 × 412,590,310.49
  4. Step 4: Simplify right side
    854,936,333.09x = 529,449,817,850,068,992
  5. Step 5: Solve for x
    x = 529,449,817,850,068,992/854,936,333.09
  6. Step 6: Final answer
    x = 619,285,667.67

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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.