Home / 20,118,504,909.70-30,177,757,364.55-6,868,724,185.90

Finding the Fourth Proportional to 20,118,504,909.70, 30,177,757,364.55 and 6,868,724,185.90

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Solution

The fourth proportional to 20,118,504,909.70, 30,177,757,364.55 and 6,868,724,185.90 is: 10,303,086,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,504,909.70 : 30,177,757,364.55 = 6,868,724,185.90 : x
  2. Step 2: Convert to fraction form
    20,118,504,909.70/30,177,757,364.55 = 6,868,724,185.90/x
  3. Step 3: Cross multiply
    20,118,504,909.70x = 30,177,757,364.55 × 6,868,724,185.90
  4. Step 4: Simplify right side
    20,118,504,909.70x = 207,282,691,886,106,411,008
  5. Step 5: Solve for x
    x = 207,282,691,886,106,411,008/20,118,504,909.70
  6. Step 6: Final answer
    x = 10,303,086,278.85

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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.