Finding the Fourth Proportional to 2,722,458,455.70, 4,083,687,683.55 and 2,661,992,279.70
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Solution
The fourth proportional to 2,722,458,455.70, 4,083,687,683.55 and 2,661,992,279.70 is: 3,992,988,419.55
Step by Step Solution
- Step 1: Write the proportion equation
2,722,458,455.70 : 4,083,687,683.55 = 2,661,992,279.70 : x - Step 2: Convert to fraction form
2,722,458,455.70/4,083,687,683.55 = 2,661,992,279.70/x - Step 3: Cross multiply
2,722,458,455.70x = 4,083,687,683.55 × 2,661,992,279.70 - Step 4: Simplify right side
2,722,458,455.70x = 10,870,745,086,316,077,056 - Step 5: Solve for x
x = 10,870,745,086,316,077,056/2,722,458,455.70 - Step 6: Final answer
x = 3,992,988,419.55
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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.