Home / 3,967,022,132.80-5,474,326,150.52-2,158,541,469.20

Finding the Fourth Proportional to 3,967,022,132.80, 5,474,326,150.52 and 2,158,541,469.20

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Solution

The fourth proportional to 3,967,022,132.80, 5,474,326,150.52 and 2,158,541,469.20 is: 2,978,697,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967,022,132.80 : 5,474,326,150.52 = 2,158,541,469.20 : x
  2. Step 2: Convert to fraction form
    3,967,022,132.80/5,474,326,150.52 = 2,158,541,469.20/x
  3. Step 3: Cross multiply
    3,967,022,132.80x = 5,474,326,150.52 × 2,158,541,469.20
  4. Step 4: Simplify right side
    3,967,022,132.80x = 11,816,560,011,823,421,440
  5. Step 5: Solve for x
    x = 11,816,560,011,823,421,440/3,967,022,132.80
  6. Step 6: Final answer
    x = 2,978,697,777.89

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1.5x scale

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.