Home / 28,523,759,520.87-42,787,015,343.11-9,378,946,919.23

Finding the Fourth Proportional to 28,523,759,520.87, 42,787,015,343.11 and 9,378,946,919.23

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Solution

The fourth proportional to 28,523,759,520.87, 42,787,015,343.11 and 9,378,946,919.23 is: 14,068,872,844.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523,759,520.87 : 42,787,015,343.11 = 9,378,946,919.23 : x
  2. Step 2: Convert to fraction form
    28,523,759,520.87/42,787,015,343.11 = 9,378,946,919.23/x
  3. Step 3: Cross multiply
    28,523,759,520.87x = 42,787,015,343.11 × 9,378,946,919.23
  4. Step 4: Simplify right side
    28,523,759,520.87x = 401,297,145,735,261,388,800
  5. Step 5: Solve for x
    x = 401,297,145,735,261,388,800/28,523,759,520.87
  6. Step 6: Final answer
    x = 14,068,872,844.12

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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.