Home / 399,225,990.65-597,943,190.78-327,562,374.65

Finding the Fourth Proportional to 399,225,990.65, 597,943,190.78 and 327,562,374.65

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Solution

The fourth proportional to 399,225,990.65, 597,943,190.78 and 327,562,374.65 is: 490,608,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,225,990.65 : 597,943,190.78 = 327,562,374.65 : x
  2. Step 2: Convert to fraction form
    399,225,990.65/597,943,190.78 = 327,562,374.65/x
  3. Step 3: Cross multiply
    399,225,990.65x = 597,943,190.78 × 327,562,374.65
  4. Step 4: Simplify right side
    399,225,990.65x = 195,863,691,476,056,960
  5. Step 5: Solve for x
    x = 195,863,691,476,056,960/399,225,990.65
  6. Step 6: Final answer
    x = 490,608,567.74

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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.