Bugs item #10502, was opened at 2007-05-01 15:03
You can respond by visiting: 
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Category: Standard Library
Group: 1.8.x
Status: Open
Resolution: None
Priority: 3
Submitted By: Cash Erler (olathe)
Assigned to: Nobody (None)
Summary: High-precision Rationals cannot be converted to Floats

Initial Comment:
The following Rational->Float conversion fails because the Rational is too precise.

require 'mathn'; (((522 / 100 / 365) + 1) ** 365).to_f

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You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=10502&group_id=426