Finding the Fourth Proportional to 312,318,569.39, 465,685,643.18 and 303,737,810.94
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Solution
The fourth proportional to 312,318,569.39, 465,685,643.18 and 303,737,810.94 is: 452,891,219.77
Step by Step Solution
- Step 1: Write the proportion equation
312,318,569.39 : 465,685,643.18 = 303,737,810.94 : x - Step 2: Convert to fraction form
312,318,569.39/465,685,643.18 = 303,737,810.94/x - Step 3: Cross multiply
312,318,569.39x = 465,685,643.18 × 303,737,810.94 - Step 4: Simplify right side
312,318,569.39x = 141,446,337,846,438,480 - Step 5: Solve for x
x = 141,446,337,846,438,480/312,318,569.39 - Step 6: Final answer
x = 452,891,219.77
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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.