Home / 609,409,960.40-913,992,723.72-298,383,568.40

Finding the Fourth Proportional to 609,409,960.40, 913,992,723.72 and 298,383,568.40

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Solution

The fourth proportional to 609,409,960.40, 913,992,723.72 and 298,383,568.40 is: 447,515,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,409,960.40 : 913,992,723.72 = 298,383,568.40 : x
  2. Step 2: Convert to fraction form
    609,409,960.40/913,992,723.72 = 298,383,568.40/x
  3. Step 3: Cross multiply
    609,409,960.40x = 913,992,723.72 × 298,383,568.40
  4. Step 4: Simplify right side
    609,409,960.40x = 272,720,410,395,208,896
  5. Step 5: Solve for x
    x = 272,720,410,395,208,896/609,409,960.40
  6. Step 6: Final answer
    x = 447,515,511.92

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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.