Finding the Fourth Proportional to 2,761,326,458.08, 4,141,989,735.35 and 662,802,865.84
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Solution
The fourth proportional to 2,761,326,458.08, 4,141,989,735.35 and 662,802,865.84 is: 994,204,310.33
Step by Step Solution
- Step 1: Write the proportion equation
2,761,326,458.08 : 4,141,989,735.35 = 662,802,865.84 : x - Step 2: Convert to fraction form
2,761,326,458.08/4,141,989,735.35 = 662,802,865.84/x - Step 3: Cross multiply
2,761,326,458.08x = 4,141,989,735.35 × 662,802,865.84 - Step 4: Simplify right side
2,761,326,458.08x = 2,745,322,666,849,133,056 - Step 5: Solve for x
x = 2,745,322,666,849,133,056/2,761,326,458.08 - Step 6: Final answer
x = 994,204,310.33
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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.