Finding the Fourth Proportional to 373,104,583.44, 514,885,012.20 and 208,102,788.24
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Solution
The fourth proportional to 373,104,583.44, 514,885,012.20 and 208,102,788.24 is: 287,182,230.98
Step by Step Solution
- Step 1: Write the proportion equation
373,104,583.44 : 514,885,012.20 = 208,102,788.24 : x - Step 2: Convert to fraction form
373,104,583.44/514,885,012.20 = 208,102,788.24/x - Step 3: Cross multiply
373,104,583.44x = 514,885,012.20 × 208,102,788.24 - Step 4: Simplify right side
373,104,583.44x = 107,149,006,661,806,416 - Step 5: Solve for x
x = 107,149,006,661,806,416/373,104,583.44 - Step 6: Final answer
x = 287,182,230.98
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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.