Finding the Fourth Proportional to 863,355,118.84, 1,294,847,129.94 and 273,192,125.56
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Solution
The fourth proportional to 863,355,118.84, 1,294,847,129.94 and 273,192,125.56 is: 409,729,475.14
Step by Step Solution
- Step 1: Write the proportion equation
863,355,118.84 : 1,294,847,129.94 = 273,192,125.56 : x - Step 2: Convert to fraction form
863,355,118.84/1,294,847,129.94 = 273,192,125.56/x - Step 3: Cross multiply
863,355,118.84x = 1,294,847,129.94 × 273,192,125.56 - Step 4: Simplify right side
863,355,118.84x = 353,742,039,703,574,144 - Step 5: Solve for x
x = 353,742,039,703,574,144/863,355,118.84 - Step 6: Final answer
x = 409,729,475.14
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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.