Home / 10,917,504,916.80-16,376,257,375.20-9,103,519,636.80

Finding the Fourth Proportional to 10,917,504,916.80, 16,376,257,375.20 and 9,103,519,636.80

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Solution

The fourth proportional to 10,917,504,916.80, 16,376,257,375.20 and 9,103,519,636.80 is: 13,655,279,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,504,916.80 : 16,376,257,375.20 = 9,103,519,636.80 : x
  2. Step 2: Convert to fraction form
    10,917,504,916.80/16,376,257,375.20 = 9,103,519,636.80/x
  3. Step 3: Cross multiply
    10,917,504,916.80x = 16,376,257,375.20 × 9,103,519,636.80
  4. Step 4: Simplify right side
    10,917,504,916.80x = 149,081,580,592,424,026,112
  5. Step 5: Solve for x
    x = 149,081,580,592,424,026,112/10,917,504,916.80
  6. Step 6: Final answer
    x = 13,655,279,455.20

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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.