Home / 18,394,988,210.03-25,389,806,873.73-11,980,791,789.67

Finding the Fourth Proportional to 18,394,988,210.03, 25,389,806,873.73 and 11,980,791,789.67

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Solution

The fourth proportional to 18,394,988,210.03, 25,389,806,873.73 and 11,980,791,789.67 is: 16,536,568,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,988,210.03 : 25,389,806,873.73 = 11,980,791,789.67 : x
  2. Step 2: Convert to fraction form
    18,394,988,210.03/25,389,806,873.73 = 11,980,791,789.67/x
  3. Step 3: Cross multiply
    18,394,988,210.03x = 25,389,806,873.73 × 11,980,791,789.67
  4. Step 4: Simplify right side
    18,394,988,210.03x = 304,189,989,733,964,382,208
  5. Step 5: Solve for x
    x = 304,189,989,733,964,382,208/18,394,988,210.03
  6. Step 6: Final answer
    x = 16,536,568,888.26

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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.