Finding the Fourth Proportional to 527,632,087.74, 791,448,156.22 and 361,471,744.68
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Solution
The fourth proportional to 527,632,087.74, 791,448,156.22 and 361,471,744.68 is: 542,207,633.88
Step by Step Solution
- Step 1: Write the proportion equation
527,632,087.74 : 791,448,156.22 = 361,471,744.68 : x - Step 2: Convert to fraction form
527,632,087.74/791,448,156.22 = 361,471,744.68/x - Step 3: Cross multiply
527,632,087.74x = 791,448,156.22 × 361,471,744.68 - Step 4: Simplify right side
527,632,087.74x = 286,086,145,852,612,608 - Step 5: Solve for x
x = 286,086,145,852,612,608/527,632,087.74 - Step 6: Final answer
x = 542,207,633.88
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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.