Home / 1,890,240,728.20-2,835,361,092.30-1,631,747,825.80

Finding the Fourth Proportional to 1,890,240,728.20, 2,835,361,092.30 and 1,631,747,825.80

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Solution

The fourth proportional to 1,890,240,728.20, 2,835,361,092.30 and 1,631,747,825.80 is: 2,447,621,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,240,728.20 : 2,835,361,092.30 = 1,631,747,825.80 : x
  2. Step 2: Convert to fraction form
    1,890,240,728.20/2,835,361,092.30 = 1,631,747,825.80/x
  3. Step 3: Cross multiply
    1,890,240,728.20x = 2,835,361,092.30 × 1,631,747,825.80
  4. Step 4: Simplify right side
    1,890,240,728.20x = 4,626,594,297,718,437,888
  5. Step 5: Solve for x
    x = 4,626,594,297,718,437,888/1,890,240,728.20
  6. Step 6: Final answer
    x = 2,447,621,738.70

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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.