Home / 489,413,912.25-675,409,016.94-266,384,812.02

Finding the Fourth Proportional to 489,413,912.25, 675,409,016.94 and 266,384,812.02

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Solution

The fourth proportional to 489,413,912.25, 675,409,016.94 and 266,384,812.02 is: 367,620,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,413,912.25 : 675,409,016.94 = 266,384,812.02 : x
  2. Step 2: Convert to fraction form
    489,413,912.25/675,409,016.94 = 266,384,812.02/x
  3. Step 3: Cross multiply
    489,413,912.25x = 675,409,016.94 × 266,384,812.02
  4. Step 4: Simplify right side
    489,413,912.25x = 179,918,704,014,174,912
  5. Step 5: Solve for x
    x = 179,918,704,014,174,912/489,413,912.25
  6. Step 6: Final answer
    x = 367,620,738.83

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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.