Finding the Fourth Proportional to 5,451,782,364.99, 7,523,459,678.12 and 2,945,656,076.67
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Solution
The fourth proportional to 5,451,782,364.99, 7,523,459,678.12 and 2,945,656,076.67 is: 4,065,005,393.60
Step by Step Solution
- Step 1: Write the proportion equation
5,451,782,364.99 : 7,523,459,678.12 = 2,945,656,076.67 : x - Step 2: Convert to fraction form
5,451,782,364.99/7,523,459,678.12 = 2,945,656,076.67/x - Step 3: Cross multiply
5,451,782,364.99x = 7,523,459,678.12 × 2,945,656,076.67 - Step 4: Simplify right side
5,451,782,364.99x = 22,161,524,718,421,172,224 - Step 5: Solve for x
x = 22,161,524,718,421,172,224/5,451,782,364.99 - Step 6: Final answer
x = 4,065,005,393.60
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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.