Finding the Fourth Proportional to 7,761,223,428.40, 11,637,583,614.54 and 3,822,267,766.96
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Solution
The fourth proportional to 7,761,223,428.40, 11,637,583,614.54 and 3,822,267,766.96 is: 5,731,307,846.70
Step by Step Solution
- Step 1: Write the proportion equation
7,761,223,428.40 : 11,637,583,614.54 = 3,822,267,766.96 : x - Step 2: Convert to fraction form
7,761,223,428.40/11,637,583,614.54 = 3,822,267,766.96/x - Step 3: Cross multiply
7,761,223,428.40x = 11,637,583,614.54 × 3,822,267,766.96 - Step 4: Simplify right side
7,761,223,428.40x = 44,481,960,735,158,091,776 - Step 5: Solve for x
x = 44,481,960,735,158,091,776/7,761,223,428.40 - Step 6: Final answer
x = 5,731,307,846.70
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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.