Home / 1,638,839,949.20-2,458,259,923.80-1,638,839,949.20

Finding the Fourth Proportional to 1,638,839,949.20, 2,458,259,923.80 and 1,638,839,949.20

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Solution

The fourth proportional to 1,638,839,949.20, 2,458,259,923.80 and 1,638,839,949.20 is: 2,458,259,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,839,949.20 : 2,458,259,923.80 = 1,638,839,949.20 : x
  2. Step 2: Convert to fraction form
    1,638,839,949.20/2,458,259,923.80 = 1,638,839,949.20/x
  3. Step 3: Cross multiply
    1,638,839,949.20x = 2,458,259,923.80 × 1,638,839,949.20
  4. Step 4: Simplify right side
    1,638,839,949.20x = 4,028,694,568,640,788,480
  5. Step 5: Solve for x
    x = 4,028,694,568,640,788,480/1,638,839,949.20
  6. Step 6: Final answer
    x = 2,458,259,923.80

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1.5x scale

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.