Finding the Fourth Proportional to 531,844,142.62, 728,623,076.97 and 511,955,644
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Solution
The fourth proportional to 531,844,142.62, 728,623,076.97 and 511,955,644 is: 701,375,960.95
Step by Step Solution
- Step 1: Write the proportion equation
531,844,142.62 : 728,623,076.97 = 511,955,644 : x - Step 2: Convert to fraction form
531,844,142.62/728,623,076.97 = 511,955,644/x - Step 3: Cross multiply
531,844,142.62x = 728,623,076.97 × 511,955,644 - Step 4: Simplify right side
531,844,142.62x = 373,022,696,603,437,952 - Step 5: Solve for x
x = 373,022,696,603,437,952/531,844,142.62 - Step 6: Final answer
x = 701,375,960.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.