Home / 1,945,382,954.88-2,918,056,127.04-840,768,827.52

Finding the Fourth Proportional to 1,945,382,954.88, 2,918,056,127.04 and 840,768,827.52

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Solution

The fourth proportional to 1,945,382,954.88, 2,918,056,127.04 and 840,768,827.52 is: 1,261,145,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,382,954.88 : 2,918,056,127.04 = 840,768,827.52 : x
  2. Step 2: Convert to fraction form
    1,945,382,954.88/2,918,056,127.04 = 840,768,827.52/x
  3. Step 3: Cross multiply
    1,945,382,954.88x = 2,918,056,127.04 × 840,768,827.52
  4. Step 4: Simplify right side
    1,945,382,954.88x = 2,453,410,628,568,972,800
  5. Step 5: Solve for x
    x = 2,453,410,628,568,972,800/1,945,382,954.88
  6. Step 6: Final answer
    x = 1,261,145,329.98

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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.