Home / 15,945,647,710.16-22,005,002,668.78-8,613,000,423.99

Finding the Fourth Proportional to 15,945,647,710.16, 22,005,002,668.78 and 8,613,000,423.99

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Solution

The fourth proportional to 15,945,647,710.16, 22,005,002,668.78 and 8,613,000,423.99 is: 11,885,945,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,647,710.16 : 22,005,002,668.78 = 8,613,000,423.99 : x
  2. Step 2: Convert to fraction form
    15,945,647,710.16/22,005,002,668.78 = 8,613,000,423.99/x
  3. Step 3: Cross multiply
    15,945,647,710.16x = 22,005,002,668.78 × 8,613,000,423.99
  4. Step 4: Simplify right side
    15,945,647,710.16x = 189,529,097,316,103,192,576
  5. Step 5: Solve for x
    x = 189,529,097,316,103,192,576/15,945,647,710.16
  6. Step 6: Final answer
    x = 11,885,945,353.94

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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.