Home / 18,251,558,974.72-27,330,188,430.66-12,596,596,930.36

Finding the Fourth Proportional to 18,251,558,974.72, 27,330,188,430.66 and 12,596,596,930.36

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Solution

The fourth proportional to 18,251,558,974.72, 27,330,188,430.66 and 12,596,596,930.36 is: 18,862,354,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251,558,974.72 : 27,330,188,430.66 = 12,596,596,930.36 : x
  2. Step 2: Convert to fraction form
    18,251,558,974.72/27,330,188,430.66 = 12,596,596,930.36/x
  3. Step 3: Cross multiply
    18,251,558,974.72x = 27,330,188,430.66 × 12,596,596,930.36
  4. Step 4: Simplify right side
    18,251,558,974.72x = 344,267,367,691,812,143,104
  5. Step 5: Solve for x
    x = 344,267,367,691,812,143,104/18,251,558,974.72
  6. Step 6: Final answer
    x = 18,862,354,068.97

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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.