Finding the Fourth Proportional to 2,552,640,657.21, 3,522,644,113.72 and 1,379,218,929.21
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Solution
The fourth proportional to 2,552,640,657.21, 3,522,644,113.72 and 1,379,218,929.21 is: 1,903,322,125.97
Step by Step Solution
- Step 1: Write the proportion equation
2,552,640,657.21 : 3,522,644,113.72 = 1,379,218,929.21 : x - Step 2: Convert to fraction form
2,552,640,657.21/3,522,644,113.72 = 1,379,218,929.21/x - Step 3: Cross multiply
2,552,640,657.21x = 3,522,644,113.72 × 1,379,218,929.21 - Step 4: Simplify right side
2,552,640,657.21x = 4,858,497,442,512,807,936 - Step 5: Solve for x
x = 4,858,497,442,512,807,936/2,552,640,657.21 - Step 6: Final answer
x = 1,903,322,125.97
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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.