Home / 12,679,321,682.64-17,499,078,169.74-7,667,104,978.20

Finding the Fourth Proportional to 12,679,321,682.64, 17,499,078,169.74 and 7,667,104,978.20

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Solution

The fourth proportional to 12,679,321,682.64, 17,499,078,169.74 and 7,667,104,978.20 is: 10,581,580,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,321,682.64 : 17,499,078,169.74 = 7,667,104,978.20 : x
  2. Step 2: Convert to fraction form
    12,679,321,682.64/17,499,078,169.74 = 7,667,104,978.20/x
  3. Step 3: Cross multiply
    12,679,321,682.64x = 17,499,078,169.74 × 7,667,104,978.20
  4. Step 4: Simplify right side
    12,679,321,682.64x = 134,167,269,349,124,505,600
  5. Step 5: Solve for x
    x = 134,167,269,349,124,505,600/12,679,321,682.64
  6. Step 6: Final answer
    x = 10,581,580,995.21

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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.