Home / 3,920,806,791.11-5,410,555,936.88-2,136,622,216.86

Finding the Fourth Proportional to 3,920,806,791.11, 5,410,555,936.88 and 2,136,622,216.86

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Solution

The fourth proportional to 3,920,806,791.11, 5,410,555,936.88 and 2,136,622,216.86 is: 2,948,452,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,806,791.11 : 5,410,555,936.88 = 2,136,622,216.86 : x
  2. Step 2: Convert to fraction form
    3,920,806,791.11/5,410,555,936.88 = 2,136,622,216.86/x
  3. Step 3: Cross multiply
    3,920,806,791.11x = 5,410,555,936.88 × 2,136,622,216.86
  4. Step 4: Simplify right side
    3,920,806,791.11x = 11,560,314,020,291,323,904
  5. Step 5: Solve for x
    x = 11,560,314,020,291,323,904/3,920,806,791.11
  6. Step 6: Final answer
    x = 2,948,452,866.00

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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.