Home / 389,045,913.37-582,633,782.66-222,544,618.83

Finding the Fourth Proportional to 389,045,913.37, 582,633,782.66 and 222,544,618.83

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Solution

The fourth proportional to 389,045,913.37, 582,633,782.66 and 222,544,618.83 is: 333,282,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,045,913.37 : 582,633,782.66 = 222,544,618.83 : x
  2. Step 2: Convert to fraction form
    389,045,913.37/582,633,782.66 = 222,544,618.83/x
  3. Step 3: Cross multiply
    389,045,913.37x = 582,633,782.66 × 222,544,618.83
  4. Step 4: Simplify right side
    389,045,913.37x = 129,662,013,080,107,136
  5. Step 5: Solve for x
    x = 129,662,013,080,107,136/389,045,913.37
  6. Step 6: Final answer
    x = 333,282,033.37

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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.