Finding the Fourth Proportional to 685,914,041.08, 946,542,948.81 and 403,673,087.80
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Solution
The fourth proportional to 685,914,041.08, 946,542,948.81 and 403,673,087.80 is: 557,058,016.02
Step by Step Solution
- Step 1: Write the proportion equation
685,914,041.08 : 946,542,948.81 = 403,673,087.80 : x - Step 2: Convert to fraction form
685,914,041.08/946,542,948.81 = 403,673,087.80/x - Step 3: Cross multiply
685,914,041.08x = 946,542,948.81 × 403,673,087.80 - Step 4: Simplify right side
685,914,041.08x = 382,093,914,881,450,048 - Step 5: Solve for x
x = 382,093,914,881,450,048/685,914,041.08 - Step 6: Final answer
x = 557,058,016.02
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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.