Home / 3,647,356,378.09-5,033,356,105.13-1,976,605,519.28

Finding the Fourth Proportional to 3,647,356,378.09, 5,033,356,105.13 and 1,976,605,519.28

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Solution

The fourth proportional to 3,647,356,378.09, 5,033,356,105.13 and 1,976,605,519.28 is: 2,727,717,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647,356,378.09 : 5,033,356,105.13 = 1,976,605,519.28 : x
  2. Step 2: Convert to fraction form
    3,647,356,378.09/5,033,356,105.13 = 1,976,605,519.28/x
  3. Step 3: Cross multiply
    3,647,356,378.09x = 5,033,356,105.13 × 1,976,605,519.28
  4. Step 4: Simplify right side
    3,647,356,378.09x = 9,948,959,457,873,905,664
  5. Step 5: Solve for x
    x = 9,948,959,457,873,905,664/3,647,356,378.09
  6. Step 6: Final answer
    x = 2,727,717,948.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.