Finding the Fourth Proportional to 352,355,245.80, 528,532,868.70 and 352,355,245.80
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Solution
The fourth proportional to 352,355,245.80, 528,532,868.70 and 352,355,245.80 is: 528,532,868.70
Step by Step Solution
- Step 1: Write the proportion equation
352,355,245.80 : 528,532,868.70 = 352,355,245.80 : x - Step 2: Convert to fraction form
352,355,245.80/528,532,868.70 = 352,355,245.80/x - Step 3: Cross multiply
352,355,245.80x = 528,532,868.70 × 352,355,245.80 - Step 4: Simplify right side
352,355,245.80x = 186,231,328,864,167,616 - Step 5: Solve for x
x = 186,231,328,864,167,616/352,355,245.80 - Step 6: Final answer
x = 528,532,868.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.