Home / 2,115,187,215.40-3,171,647,082.30-886,968,015.40

Finding the Fourth Proportional to 2,115,187,215.40, 3,171,647,082.30 and 886,968,015.40

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Solution

The fourth proportional to 2,115,187,215.40, 3,171,647,082.30 and 886,968,015.40 is: 1,329,976,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,187,215.40 : 3,171,647,082.30 = 886,968,015.40 : x
  2. Step 2: Convert to fraction form
    2,115,187,215.40/3,171,647,082.30 = 886,968,015.40/x
  3. Step 3: Cross multiply
    2,115,187,215.40x = 3,171,647,082.30 × 886,968,015.40
  4. Step 4: Simplify right side
    2,115,187,215.40x = 2,813,149,518,136,831,488
  5. Step 5: Solve for x
    x = 2,813,149,518,136,831,488/2,115,187,215.40
  6. Step 6: Final answer
    x = 1,329,976,608.05

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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.