Home / 395,625,040.62-545,890,366.81-228,300,259.38

Finding the Fourth Proportional to 395,625,040.62, 545,890,366.81 and 228,300,259.38

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Solution

The fourth proportional to 395,625,040.62, 545,890,366.81 and 228,300,259.38 is: 315,012,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,625,040.62 : 545,890,366.81 = 228,300,259.38 : x
  2. Step 2: Convert to fraction form
    395,625,040.62/545,890,366.81 = 228,300,259.38/x
  3. Step 3: Cross multiply
    395,625,040.62x = 545,890,366.81 × 228,300,259.38
  4. Step 4: Simplify right side
    395,625,040.62x = 124,626,912,335,766,320
  5. Step 5: Solve for x
    x = 124,626,912,335,766,320/395,625,040.62
  6. Step 6: Final answer
    x = 315,012,700.26

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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.