Home / 1,585,052,946.75-2,187,399,410.60-870,654,556.59

Finding the Fourth Proportional to 1,585,052,946.75, 2,187,399,410.60 and 870,654,556.59

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Solution

The fourth proportional to 1,585,052,946.75, 2,187,399,410.60 and 870,654,556.59 is: 1,201,517,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,052,946.75 : 2,187,399,410.60 = 870,654,556.59 : x
  2. Step 2: Convert to fraction form
    1,585,052,946.75/2,187,399,410.60 = 870,654,556.59/x
  3. Step 3: Cross multiply
    1,585,052,946.75x = 2,187,399,410.60 × 870,654,556.59
  4. Step 4: Simplify right side
    1,585,052,946.75x = 1,904,469,263,908,614,144
  5. Step 5: Solve for x
    x = 1,904,469,263,908,614,144/1,585,052,946.75
  6. Step 6: Final answer
    x = 1,201,517,758.64

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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.