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Finding the Fourth Proportional to 13,928,436,001.15, 20,892,654,001.73 and 13,928,436,001.15

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Solution

The fourth proportional to 13,928,436,001.15, 20,892,654,001.73 and 13,928,436,001.15 is: 20,892,654,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928,436,001.15 : 20,892,654,001.73 = 13,928,436,001.15 : x
  2. Step 2: Convert to fraction form
    13,928,436,001.15/20,892,654,001.73 = 13,928,436,001.15/x
  3. Step 3: Cross multiply
    13,928,436,001.15x = 20,892,654,001.73 × 13,928,436,001.15
  4. Step 4: Simplify right side
    13,928,436,001.15x = 291,001,994,157,197,066,240
  5. Step 5: Solve for x
    x = 291,001,994,157,197,066,240/13,928,436,001.15
  6. Step 6: Final answer
    x = 20,892,654,001.73

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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.