Finding the Fourth Proportional to 262,247,891.80, 393,371,837.70 and 248,810,963.80
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Solution
The fourth proportional to 262,247,891.80, 393,371,837.70 and 248,810,963.80 is: 373,216,445.70
Step by Step Solution
- Step 1: Write the proportion equation
262,247,891.80 : 393,371,837.70 = 248,810,963.80 : x - Step 2: Convert to fraction form
262,247,891.80/393,371,837.70 = 248,810,963.80/x - Step 3: Cross multiply
262,247,891.80x = 393,371,837.70 × 248,810,963.80 - Step 4: Simplify right side
262,247,891.80x = 97,875,226,069,914,176 - Step 5: Solve for x
x = 97,875,226,069,914,176/262,247,891.80 - Step 6: Final answer
x = 373,216,445.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.