Home / 384,370,366.80-576,555,550.20-319,747,141.20

Finding the Fourth Proportional to 384,370,366.80, 576,555,550.20 and 319,747,141.20

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Solution

The fourth proportional to 384,370,366.80, 576,555,550.20 and 319,747,141.20 is: 479,620,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,370,366.80 : 576,555,550.20 = 319,747,141.20 : x
  2. Step 2: Convert to fraction form
    384,370,366.80/576,555,550.20 = 319,747,141.20/x
  3. Step 3: Cross multiply
    384,370,366.80x = 576,555,550.20 × 319,747,141.20
  4. Step 4: Simplify right side
    384,370,366.80x = 184,351,988,919,443,104
  5. Step 5: Solve for x
    x = 184,351,988,919,443,104/384,370,366.80
  6. Step 6: Final answer
    x = 479,620,711.80

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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.