Finding the Fourth Proportional to 806,102,638,221.45, 1,209,158,477,868.60 and 268,879,123,788.99
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Solution
The fourth proportional to 806,102,638,221.45, 1,209,158,477,868.60 and 268,879,123,788.99 is: 403,320,193,528.54
Step by Step Solution
- Step 1: Write the proportion equation
806,102,638,221.45 : 1,209,158,477,868.60 = 268,879,123,788.99 : x - Step 2: Convert to fraction form
806,102,638,221.45/1,209,158,477,868.60 = 268,879,123,788.99/x - Step 3: Cross multiply
806,102,638,221.45x = 1,209,158,477,868.60 × 268,879,123,788.99 - Step 4: Simplify right side
806,102,638,221.45x = 325,117,472,051,338,015,670,272 - Step 5: Solve for x
x = 325,117,472,051,338,015,670,272/806,102,638,221.45 - Step 6: Final answer
x = 403,320,193,528.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.