Home / 18,910,237,286.80-28,365,355,930.20-17,386,489,651.60

Finding the Fourth Proportional to 18,910,237,286.80, 28,365,355,930.20 and 17,386,489,651.60

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Solution

The fourth proportional to 18,910,237,286.80, 28,365,355,930.20 and 17,386,489,651.60 is: 26,079,734,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910,237,286.80 : 28,365,355,930.20 = 17,386,489,651.60 : x
  2. Step 2: Convert to fraction form
    18,910,237,286.80/28,365,355,930.20 = 17,386,489,651.60/x
  3. Step 3: Cross multiply
    18,910,237,286.80x = 28,365,355,930.20 × 17,386,489,651.60
  4. Step 4: Simplify right side
    18,910,237,286.80x = 493,173,967,344,372,940,800
  5. Step 5: Solve for x
    x = 493,173,967,344,372,940,800/18,910,237,286.80
  6. Step 6: Final answer
    x = 26,079,734,477.40

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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.