Finding the Fourth Proportional to 7,379,128,224.31, 10,184,414,615.37 and 4,522,859,251.47
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Solution
The fourth proportional to 7,379,128,224.31, 10,184,414,615.37 and 4,522,859,251.47 is: 6,242,292,106.02
Step by Step Solution
- Step 1: Write the proportion equation
7,379,128,224.31 : 10,184,414,615.37 = 4,522,859,251.47 : x - Step 2: Convert to fraction form
7,379,128,224.31/10,184,414,615.37 = 4,522,859,251.47/x - Step 3: Cross multiply
7,379,128,224.31x = 10,184,414,615.37 × 4,522,859,251.47 - Step 4: Simplify right side
7,379,128,224.31x = 46,062,673,863,932,493,824 - Step 5: Solve for x
x = 46,062,673,863,932,493,824/7,379,128,224.31 - Step 6: Final answer
x = 6,242,292,106.02
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1.5x scale
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.