Home / 2,312,440,372-3,469,341,942.96-931,544,284.96

Finding the Fourth Proportional to 2,312,440,372, 3,469,341,942.96 and 931,544,284.96

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Solution

The fourth proportional to 2,312,440,372, 3,469,341,942.96 and 931,544,284.96 is: 1,397,590,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,440,372 : 3,469,341,942.96 = 931,544,284.96 : x
  2. Step 2: Convert to fraction form
    2,312,440,372/3,469,341,942.96 = 931,544,284.96/x
  3. Step 3: Cross multiply
    2,312,440,372x = 3,469,341,942.96 × 931,544,284.96
  4. Step 4: Simplify right side
    2,312,440,372x = 3,231,845,659,536,410,624
  5. Step 5: Solve for x
    x = 3,231,845,659,536,410,624/2,312,440,372
  6. Step 6: Final answer
    x = 1,397,590,916.79

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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.