Finding the Fourth Proportional to 4,738,784,913.50, 6,539,728,745.46 and 2,624,240,858.13
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Solution
The fourth proportional to 4,738,784,913.50, 6,539,728,745.46 and 2,624,240,858.13 is: 3,621,566,221.77
Step by Step Solution
- Step 1: Write the proportion equation
4,738,784,913.50 : 6,539,728,745.46 = 2,624,240,858.13 : x - Step 2: Convert to fraction form
4,738,784,913.50/6,539,728,745.46 = 2,624,240,858.13/x - Step 3: Cross multiply
4,738,784,913.50x = 6,539,728,745.46 × 2,624,240,858.13 - Step 4: Simplify right side
4,738,784,913.50x = 17,161,823,374,923,378,688 - Step 5: Solve for x
x = 17,161,823,374,923,378,688/4,738,784,913.50 - Step 6: Final answer
x = 3,621,566,221.77
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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.