Finding the Fourth Proportional to 774,886,679.01, 1,162,328,523.49 and 192,621,485.05
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Solution
The fourth proportional to 774,886,679.01, 1,162,328,523.49 and 192,621,485.05 is: 288,931,855.94
Step by Step Solution
- Step 1: Write the proportion equation
774,886,679.01 : 1,162,328,523.49 = 192,621,485.05 : x - Step 2: Convert to fraction form
774,886,679.01/1,162,328,523.49 = 192,621,485.05/x - Step 3: Cross multiply
774,886,679.01x = 1,162,328,523.49 × 192,621,485.05 - Step 4: Simplify right side
774,886,679.01x = 223,889,446,310,617,632 - Step 5: Solve for x
x = 223,889,446,310,617,632/774,886,679.01 - Step 6: Final answer
x = 288,931,855.94
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1.5x scale
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.