Home / 12,882,092,808.80-19,323,139,213.20-12,664,414,575.20

Finding the Fourth Proportional to 12,882,092,808.80, 19,323,139,213.20 and 12,664,414,575.20

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Solution

The fourth proportional to 12,882,092,808.80, 19,323,139,213.20 and 12,664,414,575.20 is: 18,996,621,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,092,808.80 : 19,323,139,213.20 = 12,664,414,575.20 : x
  2. Step 2: Convert to fraction form
    12,882,092,808.80/19,323,139,213.20 = 12,664,414,575.20/x
  3. Step 3: Cross multiply
    12,882,092,808.80x = 19,323,139,213.20 × 12,664,414,575.20
  4. Step 4: Simplify right side
    12,882,092,808.80x = 244,716,245,890,268,758,016
  5. Step 5: Solve for x
    x = 244,716,245,890,268,758,016/12,882,092,808.80
  6. Step 6: Final answer
    x = 18,996,621,862.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.