Finding the Fourth Proportional to 1,227,545,618.26, 1,842,482,539.23 and 759,792,134.05
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Solution
The fourth proportional to 1,227,545,618.26, 1,842,482,539.23 and 759,792,134.05 is: 1,140,408,730.73
Step by Step Solution
- Step 1: Write the proportion equation
1,227,545,618.26 : 1,842,482,539.23 = 759,792,134.05 : x - Step 2: Convert to fraction form
1,227,545,618.26/1,842,482,539.23 = 759,792,134.05/x - Step 3: Cross multiply
1,227,545,618.26x = 1,842,482,539.23 × 759,792,134.05 - Step 4: Simplify right side
1,227,545,618.26x = 1,399,903,740,431,424,512 - Step 5: Solve for x
x = 1,399,903,740,431,424,512/1,227,545,618.26 - Step 6: Final answer
x = 1,140,408,730.73
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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.