Home / 664,303,631.45-996,455,447.18-492,116,747.45

Finding the Fourth Proportional to 664,303,631.45, 996,455,447.18 and 492,116,747.45

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Solution

The fourth proportional to 664,303,631.45, 996,455,447.18 and 492,116,747.45 is: 738,175,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,303,631.45 : 996,455,447.18 = 492,116,747.45 : x
  2. Step 2: Convert to fraction form
    664,303,631.45/996,455,447.18 = 492,116,747.45/x
  3. Step 3: Cross multiply
    664,303,631.45x = 996,455,447.18 × 492,116,747.45
  4. Step 4: Simplify right side
    664,303,631.45x = 490,372,413,645,056,832
  5. Step 5: Solve for x
    x = 490,372,413,645,056,832/664,303,631.45
  6. Step 6: Final answer
    x = 738,175,121.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.