Home / 27,709,123,279.78-38,241,440,175.15-16,858,964,782.62

Finding the Fourth Proportional to 27,709,123,279.78, 38,241,440,175.15 and 16,858,964,782.62

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Solution

The fourth proportional to 27,709,123,279.78, 38,241,440,175.15 and 16,858,964,782.62 is: 23,267,105,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,709,123,279.78 : 38,241,440,175.15 = 16,858,964,782.62 : x
  2. Step 2: Convert to fraction form
    27,709,123,279.78/38,241,440,175.15 = 16,858,964,782.62/x
  3. Step 3: Cross multiply
    27,709,123,279.78x = 38,241,440,175.15 × 16,858,964,782.62
  4. Step 4: Simplify right side
    27,709,123,279.78x = 644,711,093,149,489,823,744
  5. Step 5: Solve for x
    x = 644,711,093,149,489,823,744/27,709,123,279.78
  6. Step 6: Final answer
    x = 23,267,105,445.38

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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.