Home / 13,858,442,167.76-20,788,885,302.84-3,909,972,936.08

Finding the Fourth Proportional to 13,858,442,167.76, 20,788,885,302.84 and 3,909,972,936.08

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Solution

The fourth proportional to 13,858,442,167.76, 20,788,885,302.84 and 3,909,972,936.08 is: 5,865,304,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,442,167.76 : 20,788,885,302.84 = 3,909,972,936.08 : x
  2. Step 2: Convert to fraction form
    13,858,442,167.76/20,788,885,302.84 = 3,909,972,936.08/x
  3. Step 3: Cross multiply
    13,858,442,167.76x = 20,788,885,302.84 × 3,909,972,936.08
  4. Step 4: Simplify right side
    13,858,442,167.76x = 81,283,978,905,375,670,272
  5. Step 5: Solve for x
    x = 81,283,978,905,375,670,272/13,858,442,167.76
  6. Step 6: Final answer
    x = 5,865,304,189.42

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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.