Finding the Fourth Proportional to 1,227,545,617.26, 1,842,482,537.73 and 759,792,133.05
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Solution
The fourth proportional to 1,227,545,617.26, 1,842,482,537.73 and 759,792,133.05 is: 1,140,408,729.23
Step by Step Solution
- Step 1: Write the proportion equation
1,227,545,617.26 : 1,842,482,537.73 = 759,792,133.05 : x - Step 2: Convert to fraction form
1,227,545,617.26/1,842,482,537.73 = 759,792,133.05/x - Step 3: Cross multiply
1,227,545,617.26x = 1,842,482,537.73 × 759,792,133.05 - Step 4: Simplify right side
1,227,545,617.26x = 1,399,903,737,449,253,632 - Step 5: Solve for x
x = 1,399,903,737,449,253,632/1,227,545,617.26 - Step 6: Final answer
x = 1,140,408,729.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.