Home / 3,967,022,109.80-5,474,326,118.78-2,158,541,446.20

Finding the Fourth Proportional to 3,967,022,109.80, 5,474,326,118.78 and 2,158,541,446.20

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Solution

The fourth proportional to 3,967,022,109.80, 5,474,326,118.78 and 2,158,541,446.20 is: 2,978,697,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967,022,109.80 : 5,474,326,118.78 = 2,158,541,446.20 : x
  2. Step 2: Convert to fraction form
    3,967,022,109.80/5,474,326,118.78 = 2,158,541,446.20/x
  3. Step 3: Cross multiply
    3,967,022,109.80x = 5,474,326,118.78 × 2,158,541,446.20
  4. Step 4: Simplify right side
    3,967,022,109.80x = 11,816,559,817,401,812,992
  5. Step 5: Solve for x
    x = 11,816,559,817,401,812,992/3,967,022,109.80
  6. Step 6: Final answer
    x = 2,978,697,746.15

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Double scale
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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.