Finding the Fourth Proportional to 489,944,413.80, 734,916,620.70 and 444,594,781.80
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Solution
The fourth proportional to 489,944,413.80, 734,916,620.70 and 444,594,781.80 is: 666,892,172.70
Step by Step Solution
- Step 1: Write the proportion equation
489,944,413.80 : 734,916,620.70 = 444,594,781.80 : x - Step 2: Convert to fraction form
489,944,413.80/734,916,620.70 = 444,594,781.80/x - Step 3: Cross multiply
489,944,413.80x = 734,916,620.70 × 444,594,781.80 - Step 4: Simplify right side
489,944,413.80x = 326,740,094,621,309,888 - Step 5: Solve for x
x = 326,740,094,621,309,888/489,944,413.80 - Step 6: Final answer
x = 666,892,172.70
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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.