Home / 21,690,090,883.92-29,930,682,739.32-12,172,804,536.24

Finding the Fourth Proportional to 21,690,090,883.92, 29,930,682,739.32 and 12,172,804,536.24

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Solution

The fourth proportional to 21,690,090,883.92, 29,930,682,739.32 and 12,172,804,536.24 is: 16,797,548,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,690,090,883.92 : 29,930,682,739.32 = 12,172,804,536.24 : x
  2. Step 2: Convert to fraction form
    21,690,090,883.92/29,930,682,739.32 = 12,172,804,536.24/x
  3. Step 3: Cross multiply
    21,690,090,883.92x = 29,930,682,739.32 × 12,172,804,536.24
  4. Step 4: Simplify right side
    21,690,090,883.92x = 364,340,350,621,954,736,128
  5. Step 5: Solve for x
    x = 364,340,350,621,954,736,128/21,690,090,883.92
  6. Step 6: Final answer
    x = 16,797,548,363.07

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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.