Home / 10,790,159,972.72-16,186,349,899.85-4,072,959,938.43

Finding the Fourth Proportional to 10,790,159,972.72, 16,186,349,899.85 and 4,072,959,938.43

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Solution

The fourth proportional to 10,790,159,972.72, 16,186,349,899.85 and 4,072,959,938.43 is: 6,109,858,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,159,972.72 : 16,186,349,899.85 = 4,072,959,938.43 : x
  2. Step 2: Convert to fraction form
    10,790,159,972.72/16,186,349,899.85 = 4,072,959,938.43/x
  3. Step 3: Cross multiply
    10,790,159,972.72x = 16,186,349,899.85 × 4,072,959,938.43
  4. Step 4: Simplify right side
    10,790,159,972.72x = 65,926,354,691,479,126,016
  5. Step 5: Solve for x
    x = 65,926,354,691,479,126,016/10,790,159,972.72
  6. Step 6: Final answer
    x = 6,109,858,876.81

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Double scale
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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.