Home / 21,107,970,396.24-31,667,314,821.44-9,771,320,476.05

Finding the Fourth Proportional to 21,107,970,396.24, 31,667,314,821.44 and 9,771,320,476.05

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Solution

The fourth proportional to 21,107,970,396.24, 31,667,314,821.44 and 9,771,320,476.05 is: 14,659,461,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,107,970,396.24 : 31,667,314,821.44 = 9,771,320,476.05 : x
  2. Step 2: Convert to fraction form
    21,107,970,396.24/31,667,314,821.44 = 9,771,320,476.05/x
  3. Step 3: Cross multiply
    21,107,970,396.24x = 31,667,314,821.44 × 9,771,320,476.05
  4. Step 4: Simplify right side
    21,107,970,396.24x = 309,431,481,736,147,763,200
  5. Step 5: Solve for x
    x = 309,431,481,736,147,763,200/21,107,970,396.24
  6. Step 6: Final answer
    x = 14,659,461,612.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.