Home / 13,442,560,286.60-20,163,840,429.90-7,243,832,462.60

Finding the Fourth Proportional to 13,442,560,286.60, 20,163,840,429.90 and 7,243,832,462.60

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Solution

The fourth proportional to 13,442,560,286.60, 20,163,840,429.90 and 7,243,832,462.60 is: 10,865,748,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,560,286.60 : 20,163,840,429.90 = 7,243,832,462.60 : x
  2. Step 2: Convert to fraction form
    13,442,560,286.60/20,163,840,429.90 = 7,243,832,462.60/x
  3. Step 3: Cross multiply
    13,442,560,286.60x = 20,163,840,429.90 × 7,243,832,462.60
  4. Step 4: Simplify right side
    13,442,560,286.60x = 146,063,481,876,795,981,824
  5. Step 5: Solve for x
    x = 146,063,481,876,795,981,824/13,442,560,286.60
  6. Step 6: Final answer
    x = 10,865,748,693.90

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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.