Home / 443,715,614.40-664,297,963.20-271,528,730.40

Finding the Fourth Proportional to 443,715,614.40, 664,297,963.20 and 271,528,730.40

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Solution

The fourth proportional to 443,715,614.40, 664,297,963.20 and 271,528,730.40 is: 406,512,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,715,614.40 : 664,297,963.20 = 271,528,730.40 : x
  2. Step 2: Convert to fraction form
    443,715,614.40/664,297,963.20 = 271,528,730.40/x
  3. Step 3: Cross multiply
    443,715,614.40x = 664,297,963.20 × 271,528,730.40
  4. Step 4: Simplify right side
    443,715,614.40x = 180,375,982,555,001,920
  5. Step 5: Solve for x
    x = 180,375,982,555,001,920/443,715,614.40
  6. Step 6: Final answer
    x = 406,512,587.57

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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.