Home / 18,538,048,901.70-27,807,073,352.55-17,304,538,911.30

Finding the Fourth Proportional to 18,538,048,901.70, 27,807,073,352.55 and 17,304,538,911.30

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Solution

The fourth proportional to 18,538,048,901.70, 27,807,073,352.55 and 17,304,538,911.30 is: 25,956,808,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,048,901.70 : 27,807,073,352.55 = 17,304,538,911.30 : x
  2. Step 2: Convert to fraction form
    18,538,048,901.70/27,807,073,352.55 = 17,304,538,911.30/x
  3. Step 3: Cross multiply
    18,538,048,901.70x = 27,807,073,352.55 × 17,304,538,911.30
  4. Step 4: Simplify right side
    18,538,048,901.70x = 481,188,582,838,574,776,320
  5. Step 5: Solve for x
    x = 481,188,582,838,574,776,320/18,538,048,901.70
  6. Step 6: Final answer
    x = 25,956,808,366.95

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1.5x scale

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.