Finding the Fourth Proportional to 293,395,413.80, 440,093,120.70 and 132,152,277.80
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Solution
The fourth proportional to 293,395,413.80, 440,093,120.70 and 132,152,277.80 is: 198,228,416.70
Step by Step Solution
- Step 1: Write the proportion equation
293,395,413.80 : 440,093,120.70 = 132,152,277.80 : x - Step 2: Convert to fraction form
293,395,413.80/440,093,120.70 = 132,152,277.80/x - Step 3: Cross multiply
293,395,413.80x = 440,093,120.70 × 132,152,277.80 - Step 4: Simplify right side
293,395,413.80x = 58,159,308,344,615,328 - Step 5: Solve for x
x = 58,159,308,344,615,328/293,395,413.80 - Step 6: Final answer
x = 198,228,416.70
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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.