Home / 20,118,504,977.20-30,177,757,465.80-6,868,724,253.40

Finding the Fourth Proportional to 20,118,504,977.20, 30,177,757,465.80 and 6,868,724,253.40

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Solution

The fourth proportional to 20,118,504,977.20, 30,177,757,465.80 and 6,868,724,253.40 is: 10,303,086,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,504,977.20 : 30,177,757,465.80 = 6,868,724,253.40 : x
  2. Step 2: Convert to fraction form
    20,118,504,977.20/30,177,757,465.80 = 6,868,724,253.40/x
  3. Step 3: Cross multiply
    20,118,504,977.20x = 30,177,757,465.80 × 6,868,724,253.40
  4. Step 4: Simplify right side
    20,118,504,977.20x = 207,282,694,618,563,379,200
  5. Step 5: Solve for x
    x = 207,282,694,618,563,379,200/20,118,504,977.20
  6. Step 6: Final answer
    x = 10,303,086,380.10

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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.