Finding the Fourth Proportional to 5,451,782,343.90, 7,523,459,649.06 and 2,945,656,055.68
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Solution
The fourth proportional to 5,451,782,343.90, 7,523,459,649.06 and 2,945,656,055.68 is: 4,065,005,364.66
Step by Step Solution
- Step 1: Write the proportion equation
5,451,782,343.90 : 7,523,459,649.06 = 2,945,656,055.68 : x - Step 2: Convert to fraction form
5,451,782,343.90/7,523,459,649.06 = 2,945,656,055.68/x - Step 3: Cross multiply
5,451,782,343.90x = 7,523,459,649.06 × 2,945,656,055.68 - Step 4: Simplify right side
5,451,782,343.90x = 22,161,524,474,865,373,184 - Step 5: Solve for x
x = 22,161,524,474,865,373,184/5,451,782,343.90 - Step 6: Final answer
x = 4,065,005,364.66
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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.