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Finding the Fourth Proportional to 443,234,803.05, 664,852,204.58 and 259,568,793.45

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Solution

The fourth proportional to 443,234,803.05, 664,852,204.58 and 259,568,793.45 is: 389,353,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,234,803.05 : 664,852,204.58 = 259,568,793.45 : x
  2. Step 2: Convert to fraction form
    443,234,803.05/664,852,204.58 = 259,568,793.45/x
  3. Step 3: Cross multiply
    443,234,803.05x = 664,852,204.58 × 259,568,793.45
  4. Step 4: Simplify right side
    443,234,803.05x = 172,574,884,564,105,312
  5. Step 5: Solve for x
    x = 172,574,884,564,105,312/443,234,803.05
  6. Step 6: Final answer
    x = 389,353,190.18

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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.