Finding the Fourth Proportional to 299,328,817.80, 448,993,226.70 and 248,940,337.80
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Solution
The fourth proportional to 299,328,817.80, 448,993,226.70 and 248,940,337.80 is: 373,410,506.70
Step by Step Solution
- Step 1: Write the proportion equation
299,328,817.80 : 448,993,226.70 = 248,940,337.80 : x - Step 2: Convert to fraction form
299,328,817.80/448,993,226.70 = 248,940,337.80/x - Step 3: Cross multiply
299,328,817.80x = 448,993,226.70 × 248,940,337.80 - Step 4: Simplify right side
299,328,817.80x = 111,772,525,524,609,984 - Step 5: Solve for x
x = 111,772,525,524,609,984/299,328,817.80 - Step 6: Final answer
x = 373,410,506.70
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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.