Home / 7,978,176,670.60-11,967,265,005.90-3,624,611,998.60

Finding the Fourth Proportional to 7,978,176,670.60, 11,967,265,005.90 and 3,624,611,998.60

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Solution

The fourth proportional to 7,978,176,670.60, 11,967,265,005.90 and 3,624,611,998.60 is: 5,436,917,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,176,670.60 : 11,967,265,005.90 = 3,624,611,998.60 : x
  2. Step 2: Convert to fraction form
    7,978,176,670.60/11,967,265,005.90 = 3,624,611,998.60/x
  3. Step 3: Cross multiply
    7,978,176,670.60x = 11,967,265,005.90 × 3,624,611,998.60
  4. Step 4: Simplify right side
    7,978,176,670.60x = 43,376,692,330,811,039,744
  5. Step 5: Solve for x
    x = 43,376,692,330,811,039,744/7,978,176,670.60
  6. Step 6: Final answer
    x = 5,436,917,997.90

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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.