Finding the Fourth Proportional to 294,230,779.12, 406,033,514.58 and 162,084,136.96
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Solution
The fourth proportional to 294,230,779.12, 406,033,514.58 and 162,084,136.96 is: 223,673,376.34
Step by Step Solution
- Step 1: Write the proportion equation
294,230,779.12 : 406,033,514.58 = 162,084,136.96 : x - Step 2: Convert to fraction form
294,230,779.12/406,033,514.58 = 162,084,136.96/x - Step 3: Cross multiply
294,230,779.12x = 406,033,514.58 × 162,084,136.96 - Step 4: Simplify right side
294,230,779.12x = 65,811,591,787,534,880 - Step 5: Solve for x
x = 65,811,591,787,534,880/294,230,779.12 - Step 6: Final answer
x = 223,673,376.34
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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.