Home / 22,631,962,678.54-31,230,701,257.27-12,470,121,880.45

Finding the Fourth Proportional to 22,631,962,678.54, 31,230,701,257.27 and 12,470,121,880.45

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Solution

The fourth proportional to 22,631,962,678.54, 31,230,701,257.27 and 12,470,121,880.45 is: 17,207,992,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631,962,678.54 : 31,230,701,257.27 = 12,470,121,880.45 : x
  2. Step 2: Convert to fraction form
    22,631,962,678.54/31,230,701,257.27 = 12,470,121,880.45/x
  3. Step 3: Cross multiply
    22,631,962,678.54x = 31,230,701,257.27 × 12,470,121,880.45
  4. Step 4: Simplify right side
    22,631,962,678.54x = 389,450,651,090,067,324,928
  5. Step 5: Solve for x
    x = 389,450,651,090,067,324,928/22,631,962,678.54
  6. Step 6: Final answer
    x = 17,207,992,811.84

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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.