Home / 18,173,711,288.70-27,260,566,933.05-8,378,190,776.70

Finding the Fourth Proportional to 18,173,711,288.70, 27,260,566,933.05 and 8,378,190,776.70

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Solution

The fourth proportional to 18,173,711,288.70, 27,260,566,933.05 and 8,378,190,776.70 is: 12,567,286,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,711,288.70 : 27,260,566,933.05 = 8,378,190,776.70 : x
  2. Step 2: Convert to fraction form
    18,173,711,288.70/27,260,566,933.05 = 8,378,190,776.70/x
  3. Step 3: Cross multiply
    18,173,711,288.70x = 27,260,566,933.05 × 8,378,190,776.70
  4. Step 4: Simplify right side
    18,173,711,288.70x = 228,394,230,446,092,517,376
  5. Step 5: Solve for x
    x = 228,394,230,446,092,517,376/18,173,711,288.70
  6. Step 6: Final answer
    x = 12,567,286,165.05

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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.