Home / 779,576,544.88-1,169,512,300.44-313,274,268.28

Finding the Fourth Proportional to 779,576,544.88, 1,169,512,300.44 and 313,274,268.28

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Solution

The fourth proportional to 779,576,544.88, 1,169,512,300.44 and 313,274,268.28 is: 469,970,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,576,544.88 : 1,169,512,300.44 = 313,274,268.28 : x
  2. Step 2: Convert to fraction form
    779,576,544.88/1,169,512,300.44 = 313,274,268.28/x
  3. Step 3: Cross multiply
    779,576,544.88x = 1,169,512,300.44 × 313,274,268.28
  4. Step 4: Simplify right side
    779,576,544.88x = 366,378,110,164,800,512
  5. Step 5: Solve for x
    x = 366,378,110,164,800,512/779,576,544.88
  6. Step 6: Final answer
    x = 469,970,668.78

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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.