Home / 22,631,962,578.19-31,230,701,119.72-12,470,121,780.36

Finding the Fourth Proportional to 22,631,962,578.19, 31,230,701,119.72 and 12,470,121,780.36

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Solution

The fourth proportional to 22,631,962,578.19, 31,230,701,119.72 and 12,470,121,780.36 is: 17,207,992,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631,962,578.19 : 31,230,701,119.72 = 12,470,121,780.36 : x
  2. Step 2: Convert to fraction form
    22,631,962,578.19/31,230,701,119.72 = 12,470,121,780.36/x
  3. Step 3: Cross multiply
    22,631,962,578.19x = 31,230,701,119.72 × 12,470,121,780.36
  4. Step 4: Simplify right side
    22,631,962,578.19x = 389,450,646,248,802,680,832
  5. Step 5: Solve for x
    x = 389,450,646,248,802,680,832/22,631,962,578.19
  6. Step 6: Final answer
    x = 17,207,992,674.22

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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.