Home / 18,667,647,646.92-25,759,796,429.61-10,529,002,565.55

Finding the Fourth Proportional to 18,667,647,646.92, 25,759,796,429.61 and 10,529,002,565.55

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Solution

The fourth proportional to 18,667,647,646.92, 25,759,796,429.61 and 10,529,002,565.55 is: 14,529,145,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,647,646.92 : 25,759,796,429.61 = 10,529,002,565.55 : x
  2. Step 2: Convert to fraction form
    18,667,647,646.92/25,759,796,429.61 = 10,529,002,565.55/x
  3. Step 3: Cross multiply
    18,667,647,646.92x = 25,759,796,429.61 × 10,529,002,565.55
  4. Step 4: Simplify right side
    18,667,647,646.92x = 271,224,962,695,409,401,856
  5. Step 5: Solve for x
    x = 271,224,962,695,409,401,856/18,667,647,646.92
  6. Step 6: Final answer
    x = 14,529,145,172.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.