Home / 3,989,088,097.20-5,983,632,145.80-1,812,305,761.20

Finding the Fourth Proportional to 3,989,088,097.20, 5,983,632,145.80 and 1,812,305,761.20

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Solution

The fourth proportional to 3,989,088,097.20, 5,983,632,145.80 and 1,812,305,761.20 is: 2,718,458,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,088,097.20 : 5,983,632,145.80 = 1,812,305,761.20 : x
  2. Step 2: Convert to fraction form
    3,989,088,097.20/5,983,632,145.80 = 1,812,305,761.20/x
  3. Step 3: Cross multiply
    3,989,088,097.20x = 5,983,632,145.80 × 1,812,305,761.20
  4. Step 4: Simplify right side
    3,989,088,097.20x = 10,844,171,010,734,858,240
  5. Step 5: Solve for x
    x = 10,844,171,010,734,858,240/3,989,088,097.20
  6. Step 6: Final answer
    x = 2,718,458,641.80

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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.