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Finding the Fourth Proportional to 611,183,488.73, 916,775,233.09 and 611,183,488.73

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Solution

The fourth proportional to 611,183,488.73, 916,775,233.09 and 611,183,488.73 is: 916,775,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,183,488.73 : 916,775,233.09 = 611,183,488.73 : x
  2. Step 2: Convert to fraction form
    611,183,488.73/916,775,233.09 = 611,183,488.73/x
  3. Step 3: Cross multiply
    611,183,488.73x = 916,775,233.09 × 611,183,488.73
  4. Step 4: Simplify right side
    611,183,488.73x = 560,317,885,335,093,312
  5. Step 5: Solve for x
    x = 560,317,885,335,093,312/611,183,488.73
  6. Step 6: Final answer
    x = 916,775,233.09

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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.