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Finding the Fourth Proportional to 18,213,336,317.70, 27,320,004,476.55 and 18,213,336,317.70

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Solution

The fourth proportional to 18,213,336,317.70, 27,320,004,476.55 and 18,213,336,317.70 is: 27,320,004,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,336,317.70 : 27,320,004,476.55 = 18,213,336,317.70 : x
  2. Step 2: Convert to fraction form
    18,213,336,317.70/27,320,004,476.55 = 18,213,336,317.70/x
  3. Step 3: Cross multiply
    18,213,336,317.70x = 27,320,004,476.55 × 18,213,336,317.70
  4. Step 4: Simplify right side
    18,213,336,317.70x = 497,588,429,732,474,716,160
  5. Step 5: Solve for x
    x = 497,588,429,732,474,716,160/18,213,336,317.70
  6. Step 6: Final answer
    x = 27,320,004,476.55

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Double scale
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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.