Home / 491,112,183.70-736,770,627.15-163,689,415.30

Finding the Fourth Proportional to 491,112,183.70, 736,770,627.15 and 163,689,415.30

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Solution

The fourth proportional to 491,112,183.70, 736,770,627.15 and 163,689,415.30 is: 245,568,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,112,183.70 : 736,770,627.15 = 163,689,415.30 : x
  2. Step 2: Convert to fraction form
    491,112,183.70/736,770,627.15 = 163,689,415.30/x
  3. Step 3: Cross multiply
    491,112,183.70x = 736,770,627.15 × 163,689,415.30
  4. Step 4: Simplify right side
    491,112,183.70x = 120,601,553,168,397,808
  5. Step 5: Solve for x
    x = 120,601,553,168,397,808/491,112,183.70
  6. Step 6: Final answer
    x = 245,568,237.10

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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.