Home / 489,622,366.80-734,433,550.20-344,220,109.20

Finding the Fourth Proportional to 489,622,366.80, 734,433,550.20 and 344,220,109.20

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Solution

The fourth proportional to 489,622,366.80, 734,433,550.20 and 344,220,109.20 is: 516,330,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,622,366.80 : 734,433,550.20 = 344,220,109.20 : x
  2. Step 2: Convert to fraction form
    489,622,366.80/734,433,550.20 = 344,220,109.20/x
  3. Step 3: Cross multiply
    489,622,366.80x = 734,433,550.20 × 344,220,109.20
  4. Step 4: Simplify right side
    489,622,366.80x = 252,806,796,849,987,680
  5. Step 5: Solve for x
    x = 252,806,796,849,987,680/489,622,366.80
  6. Step 6: Final answer
    x = 516,330,163.80

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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.