Home / 499,573,517.36-689,419,615.83-273,508,729.25

Finding the Fourth Proportional to 499,573,517.36, 689,419,615.83 and 273,508,729.25

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Solution

The fourth proportional to 499,573,517.36, 689,419,615.83 and 273,508,729.25 is: 377,446,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,573,517.36 : 689,419,615.83 = 273,508,729.25 : x
  2. Step 2: Convert to fraction form
    499,573,517.36/689,419,615.83 = 273,508,729.25/x
  3. Step 3: Cross multiply
    499,573,517.36x = 689,419,615.83 × 273,508,729.25
  4. Step 4: Simplify right side
    499,573,517.36x = 188,562,283,045,686,496
  5. Step 5: Solve for x
    x = 188,562,283,045,686,496/499,573,517.36
  6. Step 6: Final answer
    x = 377,446,514.86

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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.