Finding the Fourth Proportional to 306,890,413.90, 460,626,651.08 and 189,952,041.48
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Solution
The fourth proportional to 306,890,413.90, 460,626,651.08 and 189,952,041.48 is: 285,108,197.49
Step by Step Solution
- Step 1: Write the proportion equation
306,890,413.90 : 460,626,651.08 = 189,952,041.48 : x - Step 2: Convert to fraction form
306,890,413.90/460,626,651.08 = 189,952,041.48/x - Step 3: Cross multiply
306,890,413.90x = 460,626,651.08 × 189,952,041.48 - Step 4: Simplify right side
306,890,413.90x = 87,496,972,732,741,632 - Step 5: Solve for x
x = 87,496,972,732,741,632/306,890,413.90 - Step 6: Final answer
x = 285,108,197.49
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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.