Finding the Fourth Proportional to 798,177,441.33, 1,101,325,117.87 and 445,699,198.08
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Solution
The fourth proportional to 798,177,441.33, 1,101,325,117.87 and 445,699,198.08 is: 614,975,688.92
Step by Step Solution
- Step 1: Write the proportion equation
798,177,441.33 : 1,101,325,117.87 = 445,699,198.08 : x - Step 2: Convert to fraction form
798,177,441.33/1,101,325,117.87 = 445,699,198.08/x - Step 3: Cross multiply
798,177,441.33x = 1,101,325,117.87 × 445,699,198.08 - Step 4: Simplify right side
798,177,441.33x = 490,859,721,858,906,240 - Step 5: Solve for x
x = 490,859,721,858,906,240/798,177,441.33 - Step 6: Final answer
x = 614,975,688.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.