Home / 1,415,760,757.52-2,123,647,853.60-433,185,729.62

Finding the Fourth Proportional to 1,415,760,757.52, 2,123,647,853.60 and 433,185,729.62

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Solution

The fourth proportional to 1,415,760,757.52, 2,123,647,853.60 and 433,185,729.62 is: 649,780,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,760,757.52 : 2,123,647,853.60 = 433,185,729.62 : x
  2. Step 2: Convert to fraction form
    1,415,760,757.52/2,123,647,853.60 = 433,185,729.62/x
  3. Step 3: Cross multiply
    1,415,760,757.52x = 2,123,647,853.60 × 433,185,729.62
  4. Step 4: Simplify right side
    1,415,760,757.52x = 919,933,944,917,662,976
  5. Step 5: Solve for x
    x = 919,933,944,917,662,976/1,415,760,757.52
  6. Step 6: Final answer
    x = 649,780,649.75

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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.