Home / 18,394,988,208.90-25,389,806,872.17-11,980,791,788.54

Finding the Fourth Proportional to 18,394,988,208.90, 25,389,806,872.17 and 11,980,791,788.54

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Solution

The fourth proportional to 18,394,988,208.90, 25,389,806,872.17 and 11,980,791,788.54 is: 16,536,568,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,988,208.90 : 25,389,806,872.17 = 11,980,791,788.54 : x
  2. Step 2: Convert to fraction form
    18,394,988,208.90/25,389,806,872.17 = 11,980,791,788.54/x
  3. Step 3: Cross multiply
    18,394,988,208.90x = 25,389,806,872.17 × 11,980,791,788.54
  4. Step 4: Simplify right side
    18,394,988,208.90x = 304,189,989,686,523,920,384
  5. Step 5: Solve for x
    x = 304,189,989,686,523,920,384/18,394,988,208.90
  6. Step 6: Final answer
    x = 16,536,568,886.70

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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.