Home / 18,538,048,905.70-27,807,073,358.55-17,304,538,915.30

Finding the Fourth Proportional to 18,538,048,905.70, 27,807,073,358.55 and 17,304,538,915.30

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Solution

The fourth proportional to 18,538,048,905.70, 27,807,073,358.55 and 17,304,538,915.30 is: 25,956,808,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,048,905.70 : 27,807,073,358.55 = 17,304,538,915.30 : x
  2. Step 2: Convert to fraction form
    18,538,048,905.70/27,807,073,358.55 = 17,304,538,915.30/x
  3. Step 3: Cross multiply
    18,538,048,905.70x = 27,807,073,358.55 × 17,304,538,915.30
  4. Step 4: Simplify right side
    18,538,048,905.70x = 481,188,583,053,630,308,352
  5. Step 5: Solve for x
    x = 481,188,583,053,630,308,352/18,538,048,905.70
  6. Step 6: Final answer
    x = 25,956,808,372.95

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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.