Home / 1,760,489,619.80-2,640,734,429.70-842,159,571.80

Finding the Fourth Proportional to 1,760,489,619.80, 2,640,734,429.70 and 842,159,571.80

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Solution

The fourth proportional to 1,760,489,619.80, 2,640,734,429.70 and 842,159,571.80 is: 1,263,239,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,489,619.80 : 2,640,734,429.70 = 842,159,571.80 : x
  2. Step 2: Convert to fraction form
    1,760,489,619.80/2,640,734,429.70 = 842,159,571.80/x
  3. Step 3: Cross multiply
    1,760,489,619.80x = 2,640,734,429.70 × 842,159,571.80
  4. Step 4: Simplify right side
    1,760,489,619.80x = 2,223,919,776,553,668,864
  5. Step 5: Solve for x
    x = 2,223,919,776,553,668,864/1,760,489,619.80
  6. Step 6: Final answer
    x = 1,263,239,357.70

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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.