Home / 11,689,786,387.27-16,133,107,578.89-7,112,375,771.29

Finding the Fourth Proportional to 11,689,786,387.27, 16,133,107,578.89 and 7,112,375,771.29

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Solution

The fourth proportional to 11,689,786,387.27, 16,133,107,578.89 and 7,112,375,771.29 is: 9,815,810,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689,786,387.27 : 16,133,107,578.89 = 7,112,375,771.29 : x
  2. Step 2: Convert to fraction form
    11,689,786,387.27/16,133,107,578.89 = 7,112,375,771.29/x
  3. Step 3: Cross multiply
    11,689,786,387.27x = 16,133,107,578.89 × 7,112,375,771.29
  4. Step 4: Simplify right side
    11,689,786,387.27x = 114,744,723,459,712,303,104
  5. Step 5: Solve for x
    x = 114,744,723,459,712,303,104/11,689,786,387.27
  6. Step 6: Final answer
    x = 9,815,810,114.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.