Home / 15,545,571,275,530-21,453,562,715,912-8,608,809,500,857.80

Finding the Fourth Proportional to 15,545,571,275,530, 21,453,562,715,912 and 8,608,809,500,857.80

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Solution

The fourth proportional to 15,545,571,275,530, 21,453,562,715,912 and 8,608,809,500,857.80 is: 11,880,530,555,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545,571,275,530 : 21,453,562,715,912 = 8,608,809,500,857.80 : x
  2. Step 2: Convert to fraction form
    15,545,571,275,530/21,453,562,715,912 = 8,608,809,500,857.80/x
  3. Step 3: Cross multiply
    15,545,571,275,530x = 21,453,562,715,912 × 8,608,809,500,857.80
  4. Step 4: Simplify right side
    15,545,571,275,530x = 184,689,634,535,991,902,075,879,424
  5. Step 5: Solve for x
    x = 184,689,634,535,991,902,075,879,424/15,545,571,275,530
  6. Step 6: Final answer
    x = 11,880,530,555,136.85

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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.