Home / 12,766,682,027.16-17,618,055,361.92-7,128,099,643.77

Finding the Fourth Proportional to 12,766,682,027.16, 17,618,055,361.92 and 7,128,099,643.77

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Solution

The fourth proportional to 12,766,682,027.16, 17,618,055,361.92 and 7,128,099,643.77 is: 9,836,796,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,682,027.16 : 17,618,055,361.92 = 7,128,099,643.77 : x
  2. Step 2: Convert to fraction form
    12,766,682,027.16/17,618,055,361.92 = 7,128,099,643.77/x
  3. Step 3: Cross multiply
    12,766,682,027.16x = 17,618,055,361.92 × 7,128,099,643.77
  4. Step 4: Simplify right side
    12,766,682,027.16x = 125,583,254,149,222,088,704
  5. Step 5: Solve for x
    x = 125,583,254,149,222,088,704/12,766,682,027.16
  6. Step 6: Final answer
    x = 9,836,796,583.64

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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.