Home / 664,305,381.40-996,458,072.10-492,118,497.40

Finding the Fourth Proportional to 664,305,381.40, 996,458,072.10 and 492,118,497.40

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Solution

The fourth proportional to 664,305,381.40, 996,458,072.10 and 492,118,497.40 is: 738,177,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,305,381.40 : 996,458,072.10 = 492,118,497.40 : x
  2. Step 2: Convert to fraction form
    664,305,381.40/996,458,072.10 = 492,118,497.40/x
  3. Step 3: Cross multiply
    664,305,381.40x = 996,458,072.10 × 492,118,497.40
  4. Step 4: Simplify right side
    664,305,381.40x = 490,375,449,163,952,832
  5. Step 5: Solve for x
    x = 490,375,449,163,952,832/664,305,381.40
  6. Step 6: Final answer
    x = 738,177,746.10

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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.