Home / 13,482,391,607.81-20,231,576,839.98-7,511,515,460.27

Finding the Fourth Proportional to 13,482,391,607.81, 20,231,576,839.98 and 7,511,515,460.27

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Solution

The fourth proportional to 13,482,391,607.81, 20,231,576,839.98 and 7,511,515,460.27 is: 11,271,724,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,391,607.81 : 20,231,576,839.98 = 7,511,515,460.27 : x
  2. Step 2: Convert to fraction form
    13,482,391,607.81/20,231,576,839.98 = 7,511,515,460.27/x
  3. Step 3: Cross multiply
    13,482,391,607.81x = 20,231,576,839.98 × 7,511,515,460.27
  4. Step 4: Simplify right side
    13,482,391,607.81x = 151,969,802,219,127,996,416
  5. Step 5: Solve for x
    x = 151,969,802,219,127,996,416/13,482,391,607.81
  6. Step 6: Final answer
    x = 11,271,724,382.42

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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.