Explanation
A Contact and Account report can be used to segment business school alumni by Household who work for Fortune 500 companies using Cross Filters. The report can filter Contacts by their Primary Affiliation to the business school and their Household Account Name, and then use a Cross Filter to show Accounts with Account Type equals Fortune 500. A Contact and Affiliations report can show the affiliation details of Contacts, but not their Household information. A Contact and Relationships report can show the relationship details of Contacts, but not their Account Type. References:
https://help.salesforce.com/s/articleView?id=sf.reports_cross_filters.htm&type=5
https://powerofus.force.com/s/article/EDA-Reports