Finding the Fourth Proportional to 694,537,514.80, 958,426,572.36 and 412,292,020.12
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Solution
The fourth proportional to 694,537,514.80, 958,426,572.36 and 412,292,020.12 is: 568,942,093.46
Step by Step Solution
- Step 1: Write the proportion equation
694,537,514.80 : 958,426,572.36 = 412,292,020.12 : x - Step 2: Convert to fraction form
694,537,514.80/958,426,572.36 = 412,292,020.12/x - Step 3: Cross multiply
694,537,514.80x = 958,426,572.36 × 412,292,020.12 - Step 4: Simplify right side
694,537,514.80x = 395,151,627,654,991,744 - Step 5: Solve for x
x = 395,151,627,654,991,744/694,537,514.80 - Step 6: Final answer
x = 568,942,093.46
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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.