Finding the Fourth Proportional to 1,173,066,517.73, 1,618,848,374.33 and 644,479,355.09
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Solution
The fourth proportional to 1,173,066,517.73, 1,618,848,374.33 and 644,479,355.09 is: 889,390,618.95
Step by Step Solution
- Step 1: Write the proportion equation
1,173,066,517.73 : 1,618,848,374.33 = 644,479,355.09 : x - Step 2: Convert to fraction form
1,173,066,517.73/1,618,848,374.33 = 644,479,355.09/x - Step 3: Cross multiply
1,173,066,517.73x = 1,618,848,374.33 × 644,479,355.09 - Step 4: Simplify right side
1,173,066,517.73x = 1,043,314,356,273,470,976 - Step 5: Solve for x
x = 1,043,314,356,273,470,976/1,173,066,517.73 - Step 6: Final answer
x = 889,390,618.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.