Home / 20,261,664,019.40-30,392,496,029.10-16,996,490,515.40

Finding the Fourth Proportional to 20,261,664,019.40, 30,392,496,029.10 and 16,996,490,515.40

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Solution

The fourth proportional to 20,261,664,019.40, 30,392,496,029.10 and 16,996,490,515.40 is: 25,494,735,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,664,019.40 : 30,392,496,029.10 = 16,996,490,515.40 : x
  2. Step 2: Convert to fraction form
    20,261,664,019.40/30,392,496,029.10 = 16,996,490,515.40/x
  3. Step 3: Cross multiply
    20,261,664,019.40x = 30,392,496,029.10 × 16,996,490,515.40
  4. Step 4: Simplify right side
    20,261,664,019.40x = 516,565,770,497,930,297,344
  5. Step 5: Solve for x
    x = 516,565,770,497,930,297,344/20,261,664,019.40
  6. Step 6: Final answer
    x = 25,494,735,773.10

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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.