Home / 12,699,585,975.68-17,526,410,136.96-7,619,141,099.60

Finding the Fourth Proportional to 12,699,585,975.68, 17,526,410,136.96 and 7,619,141,099.60

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Solution

The fourth proportional to 12,699,585,975.68, 17,526,410,136.96 and 7,619,141,099.60 is: 10,515,003,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699,585,975.68 : 17,526,410,136.96 = 7,619,141,099.60 : x
  2. Step 2: Convert to fraction form
    12,699,585,975.68/17,526,410,136.96 = 7,619,141,099.60/x
  3. Step 3: Cross multiply
    12,699,585,975.68x = 17,526,410,136.96 × 7,619,141,099.60
  4. Step 4: Simplify right side
    12,699,585,975.68x = 133,536,191,802,958,004,224
  5. Step 5: Solve for x
    x = 133,536,191,802,958,004,224/12,699,585,975.68
  6. Step 6: Final answer
    x = 10,515,003,564.58

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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.