Finding the Fourth Proportional to 360,858,375.99, 497,984,762.79 and 195,845,945.49
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Solution
The fourth proportional to 360,858,375.99, 497,984,762.79 and 195,845,945.49 is: 270,267,515.45
Step by Step Solution
- Step 1: Write the proportion equation
360,858,375.99 : 497,984,762.79 = 195,845,945.49 : x - Step 2: Convert to fraction form
360,858,375.99/497,984,762.79 = 195,845,945.49/x - Step 3: Cross multiply
360,858,375.99x = 497,984,762.79 × 195,845,945.49 - Step 4: Simplify right side
360,858,375.99x = 97,528,296,708,220,928 - Step 5: Solve for x
x = 97,528,296,708,220,928/360,858,375.99 - Step 6: Final answer
x = 270,267,515.45
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1.5x scale
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.