Home / 227,008,638.10-340,512,957.15-207,637,613.65

Finding the Fourth Proportional to 227,008,638.10, 340,512,957.15 and 207,637,613.65

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Solution

The fourth proportional to 227,008,638.10, 340,512,957.15 and 207,637,613.65 is: 311,456,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,008,638.10 : 340,512,957.15 = 207,637,613.65 : x
  2. Step 2: Convert to fraction form
    227,008,638.10/340,512,957.15 = 207,637,613.65/x
  3. Step 3: Cross multiply
    227,008,638.10x = 340,512,957.15 × 207,637,613.65
  4. Step 4: Simplify right side
    227,008,638.10x = 70,703,297,839,530,704
  5. Step 5: Solve for x
    x = 70,703,297,839,530,704/227,008,638.10
  6. Step 6: Final answer
    x = 311,456,420.48

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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.