Home / 854,936,318.36-1,283,233,743.66-412,590,295.76

Finding the Fourth Proportional to 854,936,318.36, 1,283,233,743.66 and 412,590,295.76

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Solution

The fourth proportional to 854,936,318.36, 1,283,233,743.66 and 412,590,295.76 is: 619,285,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,936,318.36 : 1,283,233,743.66 = 412,590,295.76 : x
  2. Step 2: Convert to fraction form
    854,936,318.36/1,283,233,743.66 = 412,590,295.76/x
  3. Step 3: Cross multiply
    854,936,318.36x = 1,283,233,743.66 × 412,590,295.76
  4. Step 4: Simplify right side
    854,936,318.36x = 529,449,789,825,891,456
  5. Step 5: Solve for x
    x = 529,449,789,825,891,456/854,936,318.36
  6. Step 6: Final answer
    x = 619,285,645.56

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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.