Finding the Fourth Proportional to 270,317,390.08, 373,045,867.80 and 152,840,198.08
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Solution
The fourth proportional to 270,317,390.08, 373,045,867.80 and 152,840,198.08 is: 210,923,922.84
Step by Step Solution
- Step 1: Write the proportion equation
270,317,390.08 : 373,045,867.80 = 152,840,198.08 : x - Step 2: Convert to fraction form
270,317,390.08/373,045,867.80 = 152,840,198.08/x - Step 3: Cross multiply
270,317,390.08x = 373,045,867.80 × 152,840,198.08 - Step 4: Simplify right side
270,317,390.08x = 57,016,404,327,477,504 - Step 5: Solve for x
x = 57,016,404,327,477,504/270,317,390.08 - Step 6: Final answer
x = 210,923,922.84
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1.5x scale
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.