Home / 389,770,822.88-537,751,318.18-222,386,836.92

Finding the Fourth Proportional to 389,770,822.88, 537,751,318.18 and 222,386,836.92

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Solution

The fourth proportional to 389,770,822.88, 537,751,318.18 and 222,386,836.92 is: 306,818,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,770,822.88 : 537,751,318.18 = 222,386,836.92 : x
  2. Step 2: Convert to fraction form
    389,770,822.88/537,751,318.18 = 222,386,836.92/x
  3. Step 3: Cross multiply
    389,770,822.88x = 537,751,318.18 × 222,386,836.92
  4. Step 4: Simplify right side
    389,770,822.88x = 119,588,814,699,610,672
  5. Step 5: Solve for x
    x = 119,588,814,699,610,672/389,770,822.88
  6. Step 6: Final answer
    x = 306,818,283.15

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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.