sentences:  He debuted as the richest person in Australia with a net worth of A$4.3 billion.In subsequent years, his wealth increased; however, those with interests in the then rapidly growing Australian resources sector came to dominate the list.Since 2009, the "AFR" Rich List and the "Forbes Asia" list of Australia's 50 Richest People generally assessed Pratt's net worth on a similar basis, aggregated with his family.