Home / 13,580,715,903.09-18,741,388,810.46-7,559,091,678.07

Finding the Fourth Proportional to 13,580,715,903.09, 18,741,388,810.46 and 7,559,091,678.07

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Solution

The fourth proportional to 13,580,715,903.09, 18,741,388,810.46 and 7,559,091,678.07 is: 10,431,546,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,715,903.09 : 18,741,388,810.46 = 7,559,091,678.07 : x
  2. Step 2: Convert to fraction form
    13,580,715,903.09/18,741,388,810.46 = 7,559,091,678.07/x
  3. Step 3: Cross multiply
    13,580,715,903.09x = 18,741,388,810.46 × 7,559,091,678.07
  4. Step 4: Simplify right side
    13,580,715,903.09x = 141,667,876,192,622,395,392
  5. Step 5: Solve for x
    x = 141,667,876,192,622,395,392/13,580,715,903.09
  6. Step 6: Final answer
    x = 10,431,546,996.75

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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.