Home / 13,273,052,481.52-18,316,819,773.51-7,169,405,012.31

Finding the Fourth Proportional to 13,273,052,481.52, 18,316,819,773.51 and 7,169,405,012.31

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Solution

The fourth proportional to 13,273,052,481.52, 18,316,819,773.51 and 7,169,405,012.31 is: 9,893,782,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273,052,481.52 : 18,316,819,773.51 = 7,169,405,012.31 : x
  2. Step 2: Convert to fraction form
    13,273,052,481.52/18,316,819,773.51 = 7,169,405,012.31/x
  3. Step 3: Cross multiply
    13,273,052,481.52x = 18,316,819,773.51 × 7,169,405,012.31
  4. Step 4: Simplify right side
    13,273,052,481.52x = 131,320,699,493,781,504,000
  5. Step 5: Solve for x
    x = 131,320,699,493,781,504,000/13,273,052,481.52
  6. Step 6: Final answer
    x = 9,893,782,886.54

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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.