Home / 18,163,936,178.39-27,245,128,039.40-6,213,257,151.12

Finding the Fourth Proportional to 18,163,936,178.39, 27,245,128,039.40 and 6,213,257,151.12

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Solution

The fourth proportional to 18,163,936,178.39, 27,245,128,039.40 and 6,213,257,151.12 is: 9,319,620,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163,936,178.39 : 27,245,128,039.40 = 6,213,257,151.12 : x
  2. Step 2: Convert to fraction form
    18,163,936,178.39/27,245,128,039.40 = 6,213,257,151.12/x
  3. Step 3: Cross multiply
    18,163,936,178.39x = 27,245,128,039.40 × 6,213,257,151.12
  4. Step 4: Simplify right side
    18,163,936,178.39x = 169,280,986,623,951,011,840
  5. Step 5: Solve for x
    x = 169,280,986,623,951,011,840/18,163,936,178.39
  6. Step 6: Final answer
    x = 9,319,620,205.75

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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.