Home / 1,253,110,063.11-1,729,305,651.78-688,595,090.82

Finding the Fourth Proportional to 1,253,110,063.11, 1,729,305,651.78 and 688,595,090.82

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Solution

The fourth proportional to 1,253,110,063.11, 1,729,305,651.78 and 688,595,090.82 is: 950,268,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,110,063.11 : 1,729,305,651.78 = 688,595,090.82 : x
  2. Step 2: Convert to fraction form
    1,253,110,063.11/1,729,305,651.78 = 688,595,090.82/x
  3. Step 3: Cross multiply
    1,253,110,063.11x = 1,729,305,651.78 × 688,595,090.82
  4. Step 4: Simplify right side
    1,253,110,063.11x = 1,190,791,382,342,988,544
  5. Step 5: Solve for x
    x = 1,190,791,382,342,988,544/1,253,110,063.11
  6. Step 6: Final answer
    x = 950,268,789.15

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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.