- Determine the two consecutive multiples of 1,000 that bracket 378,900,360
- 378,900,360 is between 378,900,000 and 378,901,000
- 378,900,500 is the midpoint between 378,900,000 and 378,901,000
- As illustrated on the number line, 378,900,360 is less than the midpoint (378,900,500)
- Therefore, 378,900,360 rounded to the nearest thousand = 378,900,000
