Home / 632,172,815.42-872,379,546.10-349,926,825.38

Finding the Fourth Proportional to 632,172,815.42, 872,379,546.10 and 349,926,825.38

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Solution

The fourth proportional to 632,172,815.42, 872,379,546.10 and 349,926,825.38 is: 482,888,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,172,815.42 : 872,379,546.10 = 349,926,825.38 : x
  2. Step 2: Convert to fraction form
    632,172,815.42/872,379,546.10 = 349,926,825.38/x
  3. Step 3: Cross multiply
    632,172,815.42x = 872,379,546.10 × 349,926,825.38
  4. Step 4: Simplify right side
    632,172,815.42x = 305,269,005,091,188,672
  5. Step 5: Solve for x
    x = 305,269,005,091,188,672/632,172,815.42
  6. Step 6: Final answer
    x = 482,888,535.61

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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.