Finding the Fourth Proportional to 517,267,765.62, 713,819,398.23 and 282,320,110.26
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Solution
The fourth proportional to 517,267,765.62, 713,819,398.23 and 282,320,110.26 is: 389,596,229.67
Step by Step Solution
- Step 1: Write the proportion equation
517,267,765.62 : 713,819,398.23 = 282,320,110.26 : x - Step 2: Convert to fraction form
517,267,765.62/713,819,398.23 = 282,320,110.26/x - Step 3: Cross multiply
517,267,765.62x = 713,819,398.23 × 282,320,110.26 - Step 4: Simplify right side
517,267,765.62x = 201,525,571,214,020,448 - Step 5: Solve for x
x = 201,525,571,214,020,448/517,267,765.62 - Step 6: Final answer
x = 389,596,229.67
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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.