Finding the Fourth Proportional to 814,678,133.99, 1,221,798,413.27 and 224,327,822.79
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Solution
The fourth proportional to 814,678,133.99, 1,221,798,413.27 and 224,327,822.79 is: 336,431,489.33
Step by Step Solution
- Step 1: Write the proportion equation
814,678,133.99 : 1,221,798,413.27 = 224,327,822.79 : x - Step 2: Convert to fraction form
814,678,133.99/1,221,798,413.27 = 224,327,822.79/x - Step 3: Cross multiply
814,678,133.99x = 1,221,798,413.27 × 224,327,822.79 - Step 4: Simplify right side
814,678,133.99x = 274,083,377,937,135,744 - Step 5: Solve for x
x = 274,083,377,937,135,744/814,678,133.99 - Step 6: Final answer
x = 336,431,489.33
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1.5x scale
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.