Home / 3,147,336,213.40-4,721,004,320.10-966,018,914.20

Finding the Fourth Proportional to 3,147,336,213.40, 4,721,004,320.10 and 966,018,914.20

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Solution

The fourth proportional to 3,147,336,213.40, 4,721,004,320.10 and 966,018,914.20 is: 1,449,028,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,336,213.40 : 4,721,004,320.10 = 966,018,914.20 : x
  2. Step 2: Convert to fraction form
    3,147,336,213.40/4,721,004,320.10 = 966,018,914.20/x
  3. Step 3: Cross multiply
    3,147,336,213.40x = 4,721,004,320.10 × 966,018,914.20
  4. Step 4: Simplify right side
    3,147,336,213.40x = 4,560,579,467,236,511,744
  5. Step 5: Solve for x
    x = 4,560,579,467,236,511,744/3,147,336,213.40
  6. Step 6: Final answer
    x = 1,449,028,371.30

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Double scale
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Similar ratio
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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.