Finding the Fourth Proportional to 2,852,728,601.40, 4,279,386,098.88 and 987,371,245.08
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Solution
The fourth proportional to 2,852,728,601.40, 4,279,386,098.88 and 987,371,245.08 is: 1,481,158,347.33
Step by Step Solution
- Step 1: Write the proportion equation
2,852,728,601.40 : 4,279,386,098.88 = 987,371,245.08 : x - Step 2: Convert to fraction form
2,852,728,601.40/4,279,386,098.88 = 987,371,245.08/x - Step 3: Cross multiply
2,852,728,601.40x = 4,279,386,098.88 × 987,371,245.08 - Step 4: Simplify right side
2,852,728,601.40x = 4,225,342,780,629,190,144 - Step 5: Solve for x
x = 4,225,342,780,629,190,144/2,852,728,601.40 - Step 6: Final answer
x = 1,481,158,347.33
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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.