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Finding the Fourth Proportional to 667,660,802.20, 1,000,784,361.08 and 224,581,680.79

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Solution

The fourth proportional to 667,660,802.20, 1,000,784,361.08 and 224,581,680.79 is: 336,634,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,660,802.20 : 1,000,784,361.08 = 224,581,680.79 : x
  2. Step 2: Convert to fraction form
    667,660,802.20/1,000,784,361.08 = 224,581,680.79/x
  3. Step 3: Cross multiply
    667,660,802.20x = 1,000,784,361.08 × 224,581,680.79
  4. Step 4: Simplify right side
    667,660,802.20x = 224,757,833,918,569,760
  5. Step 5: Solve for x
    x = 224,757,833,918,569,760/667,660,802.20
  6. Step 6: Final answer
    x = 336,634,760.01

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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.