Home / 20,118,504,901.20-30,177,757,351.80-6,868,724,177.40

Finding the Fourth Proportional to 20,118,504,901.20, 30,177,757,351.80 and 6,868,724,177.40

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Solution

The fourth proportional to 20,118,504,901.20, 30,177,757,351.80 and 6,868,724,177.40 is: 10,303,086,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,504,901.20 : 30,177,757,351.80 = 6,868,724,177.40 : x
  2. Step 2: Convert to fraction form
    20,118,504,901.20/30,177,757,351.80 = 6,868,724,177.40/x
  3. Step 3: Cross multiply
    20,118,504,901.20x = 30,177,757,351.80 × 6,868,724,177.40
  4. Step 4: Simplify right side
    20,118,504,901.20x = 207,282,691,542,019,244,032
  5. Step 5: Solve for x
    x = 207,282,691,542,019,244,032/20,118,504,901.20
  6. Step 6: Final answer
    x = 10,303,086,266.10

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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.