Finding the Fourth Proportional to 404,177,789.80, 606,266,684.70 and 251,122,781.80
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Solution
The fourth proportional to 404,177,789.80, 606,266,684.70 and 251,122,781.80 is: 376,684,172.70
Step by Step Solution
- Step 1: Write the proportion equation
404,177,789.80 : 606,266,684.70 = 251,122,781.80 : x - Step 2: Convert to fraction form
404,177,789.80/606,266,684.70 = 251,122,781.80/x - Step 3: Cross multiply
404,177,789.80x = 606,266,684.70 × 251,122,781.80 - Step 4: Simplify right side
404,177,789.80x = 152,247,376,374,527,520 - Step 5: Solve for x
x = 152,247,376,374,527,520/404,177,789.80 - Step 6: Final answer
x = 376,684,172.70
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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.