Home / 12,951,414,008.40-19,427,121,012.60-10,859,343,367.80

Finding the Fourth Proportional to 12,951,414,008.40, 19,427,121,012.60 and 10,859,343,367.80

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Solution

The fourth proportional to 12,951,414,008.40, 19,427,121,012.60 and 10,859,343,367.80 is: 16,289,015,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,414,008.40 : 19,427,121,012.60 = 10,859,343,367.80 : x
  2. Step 2: Convert to fraction form
    12,951,414,008.40/19,427,121,012.60 = 10,859,343,367.80/x
  3. Step 3: Cross multiply
    12,951,414,008.40x = 19,427,121,012.60 × 10,859,343,367.80
  4. Step 4: Simplify right side
    12,951,414,008.40x = 210,965,777,723,625,799,680
  5. Step 5: Solve for x
    x = 210,965,777,723,625,799,680/12,951,414,008.40
  6. Step 6: Final answer
    x = 16,289,015,051.70

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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.