How to convert a number to FLOAT with 9 decimal values.

Hi all,
I need to convert a number like '10.02' to a floating point number with 9 decimal values like '10.022111221'. I think that the right function is TO_BINARY_FLOAT, but how can I obtain 9 decimal values? If I use the following syntax:
select TO_BINARY_FLOAT(num) from table
I obtain a floating point values with a variable number of decimal numbers after the ".", instead I need 9 number after ".".
Regards,
Maurizio.

Hi,
the number I need to select is the result of a product, for example:
select (Num_A * Num_B) from Table;
Num_A has 2 decimal numbers, like 12.01 and Num_B could be: 12.111111111.
Now, Num_A * Num_B = 653.999999994
but I issue:
select TO_BINARY_FLOAT(54.00 * 12.111111111) from Table
I obtain:
654, a rounded value, but I need 653.999999994.

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