Home / 658,810,900.31-988,181,546.07-216,095,263.97

Finding the Fourth Proportional to 658,810,900.31, 988,181,546.07 and 216,095,263.97

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Solution

The fourth proportional to 658,810,900.31, 988,181,546.07 and 216,095,263.97 is: 324,131,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,810,900.31 : 988,181,546.07 = 216,095,263.97 : x
  2. Step 2: Convert to fraction form
    658,810,900.31/988,181,546.07 = 216,095,263.97/x
  3. Step 3: Cross multiply
    658,810,900.31x = 988,181,546.07 × 216,095,263.97
  4. Step 4: Simplify right side
    658,810,900.31x = 213,541,352,043,338,464
  5. Step 5: Solve for x
    x = 213,541,352,043,338,464/658,810,900.31
  6. Step 6: Final answer
    x = 324,131,479.83

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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.