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Finding the Fourth Proportional to 611,096,797.67, 916,710,794.10 and 261,379,186.07

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Solution

The fourth proportional to 611,096,797.67, 916,710,794.10 and 261,379,186.07 is: 392,096,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,096,797.67 : 916,710,794.10 = 261,379,186.07 : x
  2. Step 2: Convert to fraction form
    611,096,797.67/916,710,794.10 = 261,379,186.07/x
  3. Step 3: Cross multiply
    611,096,797.67x = 916,710,794.10 × 261,379,186.07
  4. Step 4: Simplify right side
    611,096,797.67x = 239,609,121,218,857,824
  5. Step 5: Solve for x
    x = 239,609,121,218,857,824/611,096,797.67
  6. Step 6: Final answer
    x = 392,096,836.60

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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.