Finding the Fourth Proportional to 5,403,431,294.40, 7,456,811,326.74 and 3,113,297,809.32
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Solution
The fourth proportional to 5,403,431,294.40, 7,456,811,326.74 and 3,113,297,809.32 is: 4,296,394,846.75
Step by Step Solution
- Step 1: Write the proportion equation
5,403,431,294.40 : 7,456,811,326.74 = 3,113,297,809.32 : x - Step 2: Convert to fraction form
5,403,431,294.40/7,456,811,326.74 = 3,113,297,809.32/x - Step 3: Cross multiply
5,403,431,294.40x = 7,456,811,326.74 × 3,113,297,809.32 - Step 4: Simplify right side
5,403,431,294.40x = 23,215,274,368,052,203,520 - Step 5: Solve for x
x = 23,215,274,368,052,203,520/5,403,431,294.40 - Step 6: Final answer
x = 4,296,394,846.75
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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.