Finding the Fourth Proportional to 645,409,761.05, 966,110,629.23 and 349,570,104.82
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Solution
The fourth proportional to 645,409,761.05, 966,110,629.23 and 349,570,104.82 is: 523,269,733.90
Step by Step Solution
- Step 1: Write the proportion equation
645,409,761.05 : 966,110,629.23 = 349,570,104.82 : x - Step 2: Convert to fraction form
645,409,761.05/966,110,629.23 = 349,570,104.82/x - Step 3: Cross multiply
645,409,761.05x = 966,110,629.23 × 349,570,104.82 - Step 4: Simplify right side
645,409,761.05x = 337,723,393,925,232,000 - Step 5: Solve for x
x = 337,723,393,925,232,000/645,409,761.05 - Step 6: Final answer
x = 523,269,733.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.