Finding the Fourth Proportional to 11,297,971,212.48, 15,591,343,059.36 and 6,217,919,859.84
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Solution
The fourth proportional to 11,297,971,212.48, 15,591,343,059.36 and 6,217,919,859.84 is: 8,580,807,989.96
Step by Step Solution
- Step 1: Write the proportion equation
11,297,971,212.48 : 15,591,343,059.36 = 6,217,919,859.84 : x - Step 2: Convert to fraction form
11,297,971,212.48/15,591,343,059.36 = 6,217,919,859.84/x - Step 3: Cross multiply
11,297,971,212.48x = 15,591,343,059.36 × 6,217,919,859.84 - Step 4: Simplify right side
11,297,971,212.48x = 96,945,721,650,373,099,520 - Step 5: Solve for x
x = 96,945,721,650,373,099,520/11,297,971,212.48 - Step 6: Final answer
x = 8,580,807,989.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.