Usage patterns
〈事〉に多大な影響を与えるto have a huge impact on something
The accident had a huge impact on the entire industry.
多大な迷惑をかけるto cause someone great trouble
The construction delay caused great trouble for the neighbors.
多大な被害を受けるto suffer enormous damage
The crops suffered enormous damage due to the typhoon.
多大な貢献をするto make a huge contribution
He made a huge contribution to the company's growth.
多大なご協力をいただくto receive great cooperation from someone (polite)
We are grateful for the great cooperation everyone has given us.