Home / 360,729,981.97-497,659,396.52-219,487,976.56

Finding the Fourth Proportional to 360,729,981.97, 497,659,396.52 and 219,487,976.56

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Solution

The fourth proportional to 360,729,981.97, 497,659,396.52 and 219,487,976.56 is: 302,803,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,729,981.97 : 497,659,396.52 = 219,487,976.56 : x
  2. Step 2: Convert to fraction form
    360,729,981.97/497,659,396.52 = 219,487,976.56/x
  3. Step 3: Cross multiply
    360,729,981.97x = 497,659,396.52 × 219,487,976.56
  4. Step 4: Simplify right side
    360,729,981.97x = 109,230,253,955,385,920
  5. Step 5: Solve for x
    x = 109,230,253,955,385,920/360,729,981.97
  6. Step 6: Final answer
    x = 302,803,369.32

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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.