Finding the Fourth Proportional to 412,057,191.12, 568,638,763.56 and 226,430,178
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Solution
The fourth proportional to 412,057,191.12, 568,638,763.56 and 226,430,178 is: 312,473,557.62
Step by Step Solution
- Step 1: Write the proportion equation
412,057,191.12 : 568,638,763.56 = 226,430,178 : x - Step 2: Convert to fraction form
412,057,191.12/568,638,763.56 = 226,430,178/x - Step 3: Cross multiply
412,057,191.12x = 568,638,763.56 × 226,430,178 - Step 4: Simplify right side
412,057,191.12x = 128,756,976,450,590,704 - Step 5: Solve for x
x = 128,756,976,450,590,704/412,057,191.12 - Step 6: Final answer
x = 312,473,557.62
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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.