Home / 389,770,822.38-537,751,317.48-222,386,836.43

Finding the Fourth Proportional to 389,770,822.38, 537,751,317.48 and 222,386,836.43

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Solution

The fourth proportional to 389,770,822.38, 537,751,317.48 and 222,386,836.43 is: 306,818,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,770,822.38 : 537,751,317.48 = 222,386,836.43 : x
  2. Step 2: Convert to fraction form
    389,770,822.38/537,751,317.48 = 222,386,836.43/x
  3. Step 3: Cross multiply
    389,770,822.38x = 537,751,317.48 × 222,386,836.43
  4. Step 4: Simplify right side
    389,770,822.38x = 119,588,814,277,753,008
  5. Step 5: Solve for x
    x = 119,588,814,277,753,008/389,770,822.38
  6. Step 6: Final answer
    x = 306,818,282.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.