Home / 763,366,584.20-1,145,049,876.30-272,633,964.80

Finding the Fourth Proportional to 763,366,584.20, 1,145,049,876.30 and 272,633,964.80

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Solution

The fourth proportional to 763,366,584.20, 1,145,049,876.30 and 272,633,964.80 is: 408,950,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,366,584.20 : 1,145,049,876.30 = 272,633,964.80 : x
  2. Step 2: Convert to fraction form
    763,366,584.20/1,145,049,876.30 = 272,633,964.80/x
  3. Step 3: Cross multiply
    763,366,584.20x = 1,145,049,876.30 × 272,633,964.80
  4. Step 4: Simplify right side
    763,366,584.20x = 312,179,487,669,418,560
  5. Step 5: Solve for x
    x = 312,179,487,669,418,560/763,366,584.20
  6. Step 6: Final answer
    x = 408,950,947.20

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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.