Home / 18,294,567,895.08-27,409,386,736.44-7,647,321,457.80

Finding the Fourth Proportional to 18,294,567,895.08, 27,409,386,736.44 and 7,647,321,457.80

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Solution

The fourth proportional to 18,294,567,895.08, 27,409,386,736.44 and 7,647,321,457.80 is: 11,457,411,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294,567,895.08 : 27,409,386,736.44 = 7,647,321,457.80 : x
  2. Step 2: Convert to fraction form
    18,294,567,895.08/27,409,386,736.44 = 7,647,321,457.80/x
  3. Step 3: Cross multiply
    18,294,567,895.08x = 27,409,386,736.44 × 7,647,321,457.80
  4. Step 4: Simplify right side
    18,294,567,895.08x = 209,608,391,334,716,309,504
  5. Step 5: Solve for x
    x = 209,608,391,334,716,309,504/18,294,567,895.08
  6. Step 6: Final answer
    x = 11,457,411,431.46

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1.5x scale

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.