Finding the Fourth Proportional to 312,318,569.13, 465,685,642.81 and 303,737,810.69
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Solution
The fourth proportional to 312,318,569.13, 465,685,642.81 and 303,737,810.69 is: 452,891,219.41
Step by Step Solution
- Step 1: Write the proportion equation
312,318,569.13 : 465,685,642.81 = 303,737,810.69 : x - Step 2: Convert to fraction form
312,318,569.13/465,685,642.81 = 303,737,810.69/x - Step 3: Cross multiply
312,318,569.13x = 465,685,642.81 × 303,737,810.69 - Step 4: Simplify right side
312,318,569.13x = 141,446,337,616,874,736 - Step 5: Solve for x
x = 141,446,337,616,874,736/312,318,569.13 - Step 6: Final answer
x = 452,891,219.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.