Finding the Fourth Proportional to 1,515,562,276.11, 2,091,453,682.79 and 846,517,084.82
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Solution
The fourth proportional to 1,515,562,276.11, 2,091,453,682.79 and 846,517,084.82 is: 1,168,181,144.70
Step by Step Solution
- Step 1: Write the proportion equation
1,515,562,276.11 : 2,091,453,682.79 = 846,517,084.82 : x - Step 2: Convert to fraction form
1,515,562,276.11/2,091,453,682.79 = 846,517,084.82/x - Step 3: Cross multiply
1,515,562,276.11x = 2,091,453,682.79 × 846,517,084.82 - Step 4: Simplify right side
1,515,562,276.11x = 1,770,451,274,576,754,176 - Step 5: Solve for x
x = 1,770,451,274,576,754,176/1,515,562,276.11 - Step 6: Final answer
x = 1,168,181,144.70
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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.