Home / 28,492,132,517.43-42,738,200,104.68-19,519,473,992.19

Finding the Fourth Proportional to 28,492,132,517.43, 42,738,200,104.68 and 19,519,473,992.19

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Solution

The fourth proportional to 28,492,132,517.43, 42,738,200,104.68 and 19,519,473,992.19 is: 29,279,211,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492,132,517.43 : 42,738,200,104.68 = 19,519,473,992.19 : x
  2. Step 2: Convert to fraction form
    28,492,132,517.43/42,738,200,104.68 = 19,519,473,992.19/x
  3. Step 3: Cross multiply
    28,492,132,517.43x = 42,738,200,104.68 × 19,519,473,992.19
  4. Step 4: Simplify right side
    28,492,132,517.43x = 834,227,185,416,313,110,528
  5. Step 5: Solve for x
    x = 834,227,185,416,313,110,528/28,492,132,517.43
  6. Step 6: Final answer
    x = 29,279,211,898.44

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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.