Home / 12,131,258,822.66-16,740,816,039.86-6,778,863,163.82

Finding the Fourth Proportional to 12,131,258,822.66, 16,740,816,039.86 and 6,778,863,163.82

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Solution

The fourth proportional to 12,131,258,822.66, 16,740,816,039.86 and 6,778,863,163.82 is: 9,354,651,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,258,822.66 : 16,740,816,039.86 = 6,778,863,163.82 : x
  2. Step 2: Convert to fraction form
    12,131,258,822.66/16,740,816,039.86 = 6,778,863,163.82/x
  3. Step 3: Cross multiply
    12,131,258,822.66x = 16,740,816,039.86 × 6,778,863,163.82
  4. Step 4: Simplify right side
    12,131,258,822.66x = 113,483,701,184,893,960,192
  5. Step 5: Solve for x
    x = 113,483,701,184,893,960,192/12,131,258,822.66
  6. Step 6: Final answer
    x = 9,354,651,717.83

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1.5x scale

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.