Finding the Fourth Proportional to 494,223,129.98, 682,038,338.82 and 271,202,860.83
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Solution
The fourth proportional to 494,223,129.98, 682,038,338.82 and 271,202,860.83 is: 374,265,665.57
Step by Step Solution
- Step 1: Write the proportion equation
494,223,129.98 : 682,038,338.82 = 271,202,860.83 : x - Step 2: Convert to fraction form
494,223,129.98/682,038,338.82 = 271,202,860.83/x - Step 3: Cross multiply
494,223,129.98x = 682,038,338.82 × 271,202,860.83 - Step 4: Simplify right side
494,223,129.98x = 184,970,748,683,724,864 - Step 5: Solve for x
x = 184,970,748,683,724,864/494,223,129.98 - Step 6: Final answer
x = 374,265,665.57
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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.