Home / 266,939,876.76-400,263,847.53-211,960,880.04

Finding the Fourth Proportional to 266,939,876.76, 400,263,847.53 and 211,960,880.04

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Solution

The fourth proportional to 266,939,876.76, 400,263,847.53 and 211,960,880.04 is: 317,825,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,939,876.76 : 400,263,847.53 = 211,960,880.04 : x
  2. Step 2: Convert to fraction form
    266,939,876.76/400,263,847.53 = 211,960,880.04/x
  3. Step 3: Cross multiply
    266,939,876.76x = 400,263,847.53 × 211,960,880.04
  4. Step 4: Simplify right side
    266,939,876.76x = 84,840,277,370,655,168
  5. Step 5: Solve for x
    x = 84,840,277,370,655,168/266,939,876.76
  6. Step 6: Final answer
    x = 317,825,415.97

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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.