Home / 1,585,969,638.44-2,188,509,786.81-916,957,606.83

Finding the Fourth Proportional to 1,585,969,638.44, 2,188,509,786.81 and 916,957,606.83

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Solution

The fourth proportional to 1,585,969,638.44, 2,188,509,786.81 and 916,957,606.83 is: 1,265,327,310.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,969,638.44 : 2,188,509,786.81 = 916,957,606.83 : x
  2. Step 2: Convert to fraction form
    1,585,969,638.44/2,188,509,786.81 = 916,957,606.83/x
  3. Step 3: Cross multiply
    1,585,969,638.44x = 2,188,509,786.81 × 916,957,606.83
  4. Step 4: Simplify right side
    1,585,969,638.44x = 2,006,770,696,637,331,200
  5. Step 5: Solve for x
    x = 2,006,770,696,637,331,200/1,585,969,638.44
  6. Step 6: Final answer
    x = 1,265,327,310.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.