Home / 8,172,481,473.57-12,258,722,372.55-1,961,646,760.20

Finding the Fourth Proportional to 8,172,481,473.57, 12,258,722,372.55 and 1,961,646,760.20

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Solution

The fourth proportional to 8,172,481,473.57, 12,258,722,372.55 and 1,961,646,760.20 is: 2,942,470,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,481,473.57 : 12,258,722,372.55 = 1,961,646,760.20 : x
  2. Step 2: Convert to fraction form
    8,172,481,473.57/12,258,722,372.55 = 1,961,646,760.20/x
  3. Step 3: Cross multiply
    8,172,481,473.57x = 12,258,722,372.55 × 1,961,646,760.20
  4. Step 4: Simplify right side
    8,172,481,473.57x = 24,047,283,026,303,963,136
  5. Step 5: Solve for x
    x = 24,047,283,026,303,963,136/8,172,481,473.57
  6. Step 6: Final answer
    x = 2,942,470,179.23

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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.