Home / 840,978,969,904.96-1,261,468,469,431.10-204,267,077,019.72

Finding the Fourth Proportional to 840,978,969,904.96, 1,261,468,469,431.10 and 204,267,077,019.72

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Solution

The fourth proportional to 840,978,969,904.96, 1,261,468,469,431.10 and 204,267,077,019.72 is: 306,400,619,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,978,969,904.96 : 1,261,468,469,431.10 = 204,267,077,019.72 : x
  2. Step 2: Convert to fraction form
    840,978,969,904.96/1,261,468,469,431.10 = 204,267,077,019.72/x
  3. Step 3: Cross multiply
    840,978,969,904.96x = 1,261,468,469,431.10 × 204,267,077,019.72
  4. Step 4: Simplify right side
    840,978,969,904.96x = 257,676,477,003,230,812,831,744
  5. Step 5: Solve for x
    x = 257,676,477,003,230,812,831,744/840,978,969,904.96
  6. Step 6: Final answer
    x = 306,400,619,069.41

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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.