Home / 21,987,363,991.10-32,981,045,986.65-11,502,529,072.70

Finding the Fourth Proportional to 21,987,363,991.10, 32,981,045,986.65 and 11,502,529,072.70

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Solution

The fourth proportional to 21,987,363,991.10, 32,981,045,986.65 and 11,502,529,072.70 is: 17,253,793,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,363,991.10 : 32,981,045,986.65 = 11,502,529,072.70 : x
  2. Step 2: Convert to fraction form
    21,987,363,991.10/32,981,045,986.65 = 11,502,529,072.70/x
  3. Step 3: Cross multiply
    21,987,363,991.10x = 32,981,045,986.65 × 11,502,529,072.70
  4. Step 4: Simplify right side
    21,987,363,991.10x = 379,365,440,309,497,298,944
  5. Step 5: Solve for x
    x = 379,365,440,309,497,298,944/21,987,363,991.10
  6. Step 6: Final answer
    x = 17,253,793,609.05

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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.