Home / 21,768,025,719.02-30,037,959,494.60-12,122,026,796.68

Finding the Fourth Proportional to 21,768,025,719.02, 30,037,959,494.60 and 12,122,026,796.68

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Solution

The fourth proportional to 21,768,025,719.02, 30,037,959,494.60 and 12,122,026,796.68 is: 16,727,330,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768,025,719.02 : 30,037,959,494.60 = 12,122,026,796.68 : x
  2. Step 2: Convert to fraction form
    21,768,025,719.02/30,037,959,494.60 = 12,122,026,796.68/x
  3. Step 3: Cross multiply
    21,768,025,719.02x = 30,037,959,494.60 × 12,122,026,796.68
  4. Step 4: Simplify right side
    21,768,025,719.02x = 364,120,949,910,978,953,216
  5. Step 5: Solve for x
    x = 364,120,949,910,978,953,216/21,768,025,719.02
  6. Step 6: Final answer
    x = 16,727,330,011.97

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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.