Home / 20,118,504,911.70-30,177,757,367.55-6,868,724,187.90

Finding the Fourth Proportional to 20,118,504,911.70, 30,177,757,367.55 and 6,868,724,187.90

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Solution

The fourth proportional to 20,118,504,911.70, 30,177,757,367.55 and 6,868,724,187.90 is: 10,303,086,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,504,911.70 : 30,177,757,367.55 = 6,868,724,187.90 : x
  2. Step 2: Convert to fraction form
    20,118,504,911.70/30,177,757,367.55 = 6,868,724,187.90/x
  3. Step 3: Cross multiply
    20,118,504,911.70x = 30,177,757,367.55 × 6,868,724,187.90
  4. Step 4: Simplify right side
    20,118,504,911.70x = 207,282,691,967,068,110,848
  5. Step 5: Solve for x
    x = 207,282,691,967,068,110,848/20,118,504,911.70
  6. Step 6: Final answer
    x = 10,303,086,281.85

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1.5x scale

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.