Home / 274,617,497.10-378,611,530.77-198,171,604.80

Finding the Fourth Proportional to 274,617,497.10, 378,611,530.77 and 198,171,604.80

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Solution

The fourth proportional to 274,617,497.10, 378,611,530.77 and 198,171,604.80 is: 273,216,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,617,497.10 : 378,611,530.77 = 198,171,604.80 : x
  2. Step 2: Convert to fraction form
    274,617,497.10/378,611,530.77 = 198,171,604.80/x
  3. Step 3: Cross multiply
    274,617,497.10x = 378,611,530.77 × 198,171,604.80
  4. Step 4: Simplify right side
    274,617,497.10x = 75,030,054,648,475,488
  5. Step 5: Solve for x
    x = 75,030,054,648,475,488/274,617,497.10
  6. Step 6: Final answer
    x = 273,216,584.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.