Finding the Fourth Proportional to 1,546,350,915.68, 2,133,964,613.44 and 850,989,891.68
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Solution
The fourth proportional to 1,546,350,915.68, 2,133,964,613.44 and 850,989,891.68 is: 1,174,366,243.02
Step by Step Solution
- Step 1: Write the proportion equation
1,546,350,915.68 : 2,133,964,613.44 = 850,989,891.68 : x - Step 2: Convert to fraction form
1,546,350,915.68/2,133,964,613.44 = 850,989,891.68/x - Step 3: Cross multiply
1,546,350,915.68x = 2,133,964,613.44 × 850,989,891.68 - Step 4: Simplify right side
1,546,350,915.68x = 1,815,982,315,240,258,560 - Step 5: Solve for x
x = 1,815,982,315,240,258,560/1,546,350,915.68 - Step 6: Final answer
x = 1,174,366,243.02
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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.