Finding the Fourth Proportional to 3,931,029,415.42, 5,424,954,460.56 and 2,324,861,249.47
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Solution
The fourth proportional to 3,931,029,415.42, 5,424,954,460.56 and 2,324,861,249.47 is: 3,208,387,695.09
Step by Step Solution
- Step 1: Write the proportion equation
3,931,029,415.42 : 5,424,954,460.56 = 2,324,861,249.47 : x - Step 2: Convert to fraction form
3,931,029,415.42/5,424,954,460.56 = 2,324,861,249.47/x - Step 3: Cross multiply
3,931,029,415.42x = 5,424,954,460.56 × 2,324,861,249.47 - Step 4: Simplify right side
3,931,029,415.42x = 12,612,266,405,481,811,968 - Step 5: Solve for x
x = 12,612,266,405,481,811,968/3,931,029,415.42 - Step 6: Final answer
x = 3,208,387,695.09
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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.