Home / 19,659,524,572.25-29,510,271,839.62-8,472,919,451.39

Finding the Fourth Proportional to 19,659,524,572.25, 29,510,271,839.62 and 8,472,919,451.39

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Solution

The fourth proportional to 19,659,524,572.25, 29,510,271,839.62 and 8,472,919,451.39 is: 12,718,423,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,524,572.25 : 29,510,271,839.62 = 8,472,919,451.39 : x
  2. Step 2: Convert to fraction form
    19,659,524,572.25/29,510,271,839.62 = 8,472,919,451.39/x
  3. Step 3: Cross multiply
    19,659,524,572.25x = 29,510,271,839.62 × 8,472,919,451.39
  4. Step 4: Simplify right side
    19,659,524,572.25x = 250,038,156,285,680,517,120
  5. Step 5: Solve for x
    x = 250,038,156,285,680,517,120/19,659,524,572.25
  6. Step 6: Final answer
    x = 12,718,423,345.73

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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.