Home / 12,483,313,106.20-18,724,969,659.30-11,340,502,379.80

Finding the Fourth Proportional to 12,483,313,106.20, 18,724,969,659.30 and 11,340,502,379.80

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Solution

The fourth proportional to 12,483,313,106.20, 18,724,969,659.30 and 11,340,502,379.80 is: 17,010,753,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,313,106.20 : 18,724,969,659.30 = 11,340,502,379.80 : x
  2. Step 2: Convert to fraction form
    12,483,313,106.20/18,724,969,659.30 = 11,340,502,379.80/x
  3. Step 3: Cross multiply
    12,483,313,106.20x = 18,724,969,659.30 × 11,340,502,379.80
  4. Step 4: Simplify right side
    12,483,313,106.20x = 212,350,562,982,974,423,040
  5. Step 5: Solve for x
    x = 212,350,562,982,974,423,040/12,483,313,106.20
  6. Step 6: Final answer
    x = 17,010,753,569.70

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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.