Home / 271,958,783,414.80-407,938,175,122.20-215,144,764,445.20

Finding the Fourth Proportional to 271,958,783,414.80, 407,938,175,122.20 and 215,144,764,445.20

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Solution

The fourth proportional to 271,958,783,414.80, 407,938,175,122.20 and 215,144,764,445.20 is: 322,717,146,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,958,783,414.80 : 407,938,175,122.20 = 215,144,764,445.20 : x
  2. Step 2: Convert to fraction form
    271,958,783,414.80/407,938,175,122.20 = 215,144,764,445.20/x
  3. Step 3: Cross multiply
    271,958,783,414.80x = 407,938,175,122.20 × 215,144,764,445.20
  4. Step 4: Simplify right side
    271,958,783,414.80x = 87,765,762,594,870,468,280,320
  5. Step 5: Solve for x
    x = 87,765,762,594,870,468,280,320/271,958,783,414.80
  6. Step 6: Final answer
    x = 322,717,146,667.80

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1.5x scale

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.