Finding the Fourth Proportional to 397,365,812.10, 596,048,718.15 and 311,177,891.70
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Solution
The fourth proportional to 397,365,812.10, 596,048,718.15 and 311,177,891.70 is: 466,766,837.55
Step by Step Solution
- Step 1: Write the proportion equation
397,365,812.10 : 596,048,718.15 = 311,177,891.70 : x - Step 2: Convert to fraction form
397,365,812.10/596,048,718.15 = 311,177,891.70/x - Step 3: Cross multiply
397,365,812.10x = 596,048,718.15 × 311,177,891.70 - Step 4: Simplify right side
397,365,812.10x = 185,477,183,464,404,512 - Step 5: Solve for x
x = 185,477,183,464,404,512/397,365,812.10 - Step 6: Final answer
x = 466,766,837.55
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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.