Home / 8,970,336,004.80-13,455,504,007.20-5,297,015,812.80

Finding the Fourth Proportional to 8,970,336,004.80, 13,455,504,007.20 and 5,297,015,812.80

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Solution

The fourth proportional to 8,970,336,004.80, 13,455,504,007.20 and 5,297,015,812.80 is: 7,945,523,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970,336,004.80 : 13,455,504,007.20 = 5,297,015,812.80 : x
  2. Step 2: Convert to fraction form
    8,970,336,004.80/13,455,504,007.20 = 5,297,015,812.80/x
  3. Step 3: Cross multiply
    8,970,336,004.80x = 13,455,504,007.20 × 5,297,015,812.80
  4. Step 4: Simplify right side
    8,970,336,004.80x = 71,274,017,495,332,167,680
  5. Step 5: Solve for x
    x = 71,274,017,495,332,167,680/8,970,336,004.80
  6. Step 6: Final answer
    x = 7,945,523,719.20

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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.