Home / 330,955,444.80-496,433,167.20-279,937,108.80

Finding the Fourth Proportional to 330,955,444.80, 496,433,167.20 and 279,937,108.80

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Solution

The fourth proportional to 330,955,444.80, 496,433,167.20 and 279,937,108.80 is: 419,905,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,955,444.80 : 496,433,167.20 = 279,937,108.80 : x
  2. Step 2: Convert to fraction form
    330,955,444.80/496,433,167.20 = 279,937,108.80/x
  3. Step 3: Cross multiply
    330,955,444.80x = 496,433,167.20 × 279,937,108.80
  4. Step 4: Simplify right side
    330,955,444.80x = 138,970,065,538,394,992
  5. Step 5: Solve for x
    x = 138,970,065,538,394,992/330,955,444.80
  6. Step 6: Final answer
    x = 419,905,663.20

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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.