Home / 12,459,823,808.56-17,194,557,694.44-6,821,039,659.84

Finding the Fourth Proportional to 12,459,823,808.56, 17,194,557,694.44 and 6,821,039,659.84

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Solution

The fourth proportional to 12,459,823,808.56, 17,194,557,694.44 and 6,821,039,659.84 is: 9,413,035,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,823,808.56 : 17,194,557,694.44 = 6,821,039,659.84 : x
  2. Step 2: Convert to fraction form
    12,459,823,808.56/17,194,557,694.44 = 6,821,039,659.84/x
  3. Step 3: Cross multiply
    12,459,823,808.56x = 17,194,557,694.44 × 6,821,039,659.84
  4. Step 4: Simplify right side
    12,459,823,808.56x = 117,284,759,967,182,258,176
  5. Step 5: Solve for x
    x = 117,284,759,967,182,258,176/12,459,823,808.56
  6. Step 6: Final answer
    x = 9,413,035,189.68

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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.