Finding the Fourth Proportional to 511,800,778.74, 706,284,591.93 and 276,850,897.14
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Solution
The fourth proportional to 511,800,778.74, 706,284,591.93 and 276,850,897.14 is: 382,053,976.93
Step by Step Solution
- Step 1: Write the proportion equation
511,800,778.74 : 706,284,591.93 = 276,850,897.14 : x - Step 2: Convert to fraction form
511,800,778.74/706,284,591.93 = 276,850,897.14/x - Step 3: Cross multiply
511,800,778.74x = 706,284,591.93 × 276,850,897.14 - Step 4: Simplify right side
511,800,778.74x = 195,535,522,911,979,264 - Step 5: Solve for x
x = 195,535,522,911,979,264/511,800,778.74 - Step 6: Final answer
x = 382,053,976.93
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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.