Home / 20,118,504,976.70-30,177,757,465.05-6,868,724,252.90

Finding the Fourth Proportional to 20,118,504,976.70, 30,177,757,465.05 and 6,868,724,252.90

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Solution

The fourth proportional to 20,118,504,976.70, 30,177,757,465.05 and 6,868,724,252.90 is: 10,303,086,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,504,976.70 : 30,177,757,465.05 = 6,868,724,252.90 : x
  2. Step 2: Convert to fraction form
    20,118,504,976.70/30,177,757,465.05 = 6,868,724,252.90/x
  3. Step 3: Cross multiply
    20,118,504,976.70x = 30,177,757,465.05 × 6,868,724,252.90
  4. Step 4: Simplify right side
    20,118,504,976.70x = 207,282,694,598,322,946,048
  5. Step 5: Solve for x
    x = 207,282,694,598,322,946,048/20,118,504,976.70
  6. Step 6: Final answer
    x = 10,303,086,379.35

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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.