Finding the Fourth Proportional to 536,213,278.02, 804,318,728.67 and 142,740,193.62
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Solution
The fourth proportional to 536,213,278.02, 804,318,728.67 and 142,740,193.62 is: 214,109,974.09
Step by Step Solution
- Step 1: Write the proportion equation
536,213,278.02 : 804,318,728.67 = 142,740,193.62 : x - Step 2: Convert to fraction form
536,213,278.02/804,318,728.67 = 142,740,193.62/x - Step 3: Cross multiply
536,213,278.02x = 804,318,728.67 × 142,740,193.62 - Step 4: Simplify right side
536,213,278.02x = 114,808,611,062,548,048 - Step 5: Solve for x
x = 114,808,611,062,548,048/536,213,278.02 - Step 6: Final answer
x = 214,109,974.09
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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.