Finding the Fourth Proportional to 364,921,581.92, 503,465,580.58 and 276,723,701.60
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Solution
The fourth proportional to 364,921,581.92, 503,465,580.58 and 276,723,701.60 is: 381,783,007.61
Step by Step Solution
- Step 1: Write the proportion equation
364,921,581.92 : 503,465,580.58 = 276,723,701.60 : x - Step 2: Convert to fraction form
364,921,581.92/503,465,580.58 = 276,723,701.60/x - Step 3: Cross multiply
364,921,581.92x = 503,465,580.58 × 276,723,701.60 - Step 4: Simplify right side
364,921,581.92x = 139,320,859,086,290,688 - Step 5: Solve for x
x = 139,320,859,086,290,688/364,921,581.92 - Step 6: Final answer
x = 381,783,007.61
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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.