Home / 502,833,628.69-693,970,816.56-304,589,306.73

Finding the Fourth Proportional to 502,833,628.69, 693,970,816.56 and 304,589,306.73

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Solution

The fourth proportional to 502,833,628.69, 693,970,816.56 and 304,589,306.73 is: 420,369,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,833,628.69 : 693,970,816.56 = 304,589,306.73 : x
  2. Step 2: Convert to fraction form
    502,833,628.69/693,970,816.56 = 304,589,306.73/x
  3. Step 3: Cross multiply
    502,833,628.69x = 693,970,816.56 × 304,589,306.73
  4. Step 4: Simplify right side
    502,833,628.69x = 211,376,089,906,862,400
  5. Step 5: Solve for x
    x = 211,376,089,906,862,400/502,833,628.69
  6. Step 6: Final answer
    x = 420,369,835.76

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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.