Home / 386,261,000.94-533,043,976.86-210,052,825.38

Finding the Fourth Proportional to 386,261,000.94, 533,043,976.86 and 210,052,825.38

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Solution

The fourth proportional to 386,261,000.94, 533,043,976.86 and 210,052,825.38 is: 289,874,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,261,000.94 : 533,043,976.86 = 210,052,825.38 : x
  2. Step 2: Convert to fraction form
    386,261,000.94/533,043,976.86 = 210,052,825.38/x
  3. Step 3: Cross multiply
    386,261,000.94x = 533,043,976.86 × 210,052,825.38
  4. Step 4: Simplify right side
    386,261,000.94x = 111,967,393,391,234,336
  5. Step 5: Solve for x
    x = 111,967,393,391,234,336/386,261,000.94
  6. Step 6: Final answer
    x = 289,874,963.09

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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.