Home / 9,099,115,212.15-12,755,960,564.85-9,099,115,212.15

Finding the Fourth Proportional to 9,099,115,212.15, 12,755,960,564.85 and 9,099,115,212.15

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Solution

The fourth proportional to 9,099,115,212.15, 12,755,960,564.85 and 9,099,115,212.15 is: 12,755,960,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099,115,212.15 : 12,755,960,564.85 = 9,099,115,212.15 : x
  2. Step 2: Convert to fraction form
    9,099,115,212.15/12,755,960,564.85 = 9,099,115,212.15/x
  3. Step 3: Cross multiply
    9,099,115,212.15x = 12,755,960,564.85 × 9,099,115,212.15
  4. Step 4: Simplify right side
    9,099,115,212.15x = 116,067,954,821,212,143,616
  5. Step 5: Solve for x
    x = 116,067,954,821,212,143,616/9,099,115,212.15
  6. Step 6: Final answer
    x = 12,755,960,564.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.