Finding the Fourth Proportional to 11,877,376,540.68, 17,831,635,369.74 and 7,964,591,026.68
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Solution
The fourth proportional to 11,877,376,540.68, 17,831,635,369.74 and 7,964,591,026.68 is: 11,957,327,661.58
Step by Step Solution
- Step 1: Write the proportion equation
11,877,376,540.68 : 17,831,635,369.74 = 7,964,591,026.68 : x - Step 2: Convert to fraction form
11,877,376,540.68/17,831,635,369.74 = 7,964,591,026.68/x - Step 3: Cross multiply
11,877,376,540.68x = 17,831,635,369.74 × 7,964,591,026.68 - Step 4: Simplify right side
11,877,376,540.68x = 142,021,683,056,860,921,856 - Step 5: Solve for x
x = 142,021,683,056,860,921,856/11,877,376,540.68 - Step 6: Final answer
x = 11,957,327,661.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.