Home / 487,009,791.85-730,765,843.01-228,251,300.17

Finding the Fourth Proportional to 487,009,791.85, 730,765,843.01 and 228,251,300.17

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Solution

The fourth proportional to 487,009,791.85, 730,765,843.01 and 228,251,300.17 is: 342,494,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,009,791.85 : 730,765,843.01 = 228,251,300.17 : x
  2. Step 2: Convert to fraction form
    487,009,791.85/730,765,843.01 = 228,251,300.17/x
  3. Step 3: Cross multiply
    487,009,791.85x = 730,765,843.01 × 228,251,300.17
  4. Step 4: Simplify right side
    487,009,791.85x = 166,798,253,785,476,544
  5. Step 5: Solve for x
    x = 166,798,253,785,476,544/487,009,791.85
  6. Step 6: Final answer
    x = 342,494,661.46

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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.