Home / 12,483,313,115.70-18,724,969,673.55-11,340,502,389.30

Finding the Fourth Proportional to 12,483,313,115.70, 18,724,969,673.55 and 11,340,502,389.30

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Solution

The fourth proportional to 12,483,313,115.70, 18,724,969,673.55 and 11,340,502,389.30 is: 17,010,753,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,313,115.70 : 18,724,969,673.55 = 11,340,502,389.30 : x
  2. Step 2: Convert to fraction form
    12,483,313,115.70/18,724,969,673.55 = 11,340,502,389.30/x
  3. Step 3: Cross multiply
    12,483,313,115.70x = 18,724,969,673.55 × 11,340,502,389.30
  4. Step 4: Simplify right side
    12,483,313,115.70x = 212,350,563,322,463,780,864
  5. Step 5: Solve for x
    x = 212,350,563,322,463,780,864/12,483,313,115.70
  6. Step 6: Final answer
    x = 17,010,753,583.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.