Home / 699,562,694.80-1,049,344,042.20-214,912,608.40

Finding the Fourth Proportional to 699,562,694.80, 1,049,344,042.20 and 214,912,608.40

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Solution

The fourth proportional to 699,562,694.80, 1,049,344,042.20 and 214,912,608.40 is: 322,368,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,562,694.80 : 1,049,344,042.20 = 214,912,608.40 : x
  2. Step 2: Convert to fraction form
    699,562,694.80/1,049,344,042.20 = 214,912,608.40/x
  3. Step 3: Cross multiply
    699,562,694.80x = 1,049,344,042.20 × 214,912,608.40
  4. Step 4: Simplify right side
    699,562,694.80x = 225,517,265,218,201,696
  5. Step 5: Solve for x
    x = 225,517,265,218,201,696/699,562,694.80
  6. Step 6: Final answer
    x = 322,368,912.60

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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.