Home / 5,200,891,969,503.90-7,177,235,621,979.60-2,857,243,174,144.20

Finding the Fourth Proportional to 5,200,891,969,503.90, 7,177,235,621,979.60 and 2,857,243,174,144.20

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Solution

The fourth proportional to 5,200,891,969,503.90, 7,177,235,621,979.60 and 2,857,243,174,144.20 is: 3,942,998,164,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,891,969,503.90 : 7,177,235,621,979.60 = 2,857,243,174,144.20 : x
  2. Step 2: Convert to fraction form
    5,200,891,969,503.90/7,177,235,621,979.60 = 2,857,243,174,144.20/x
  3. Step 3: Cross multiply
    5,200,891,969,503.90x = 7,177,235,621,979.60 × 2,857,243,174,144.20
  4. Step 4: Simplify right side
    5,200,891,969,503.90x = 20,507,107,490,125,813,188,132,864
  5. Step 5: Solve for x
    x = 20,507,107,490,125,813,188,132,864/5,200,891,969,503.90
  6. Step 6: Final answer
    x = 3,942,998,164,617.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.