Finding the Fourth Proportional to 996,932,413.80, 1,495,398,620.70 and 882,141,157.80
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Solution
The fourth proportional to 996,932,413.80, 1,495,398,620.70 and 882,141,157.80 is: 1,323,211,736.70
Step by Step Solution
- Step 1: Write the proportion equation
996,932,413.80 : 1,495,398,620.70 = 882,141,157.80 : x - Step 2: Convert to fraction form
996,932,413.80/1,495,398,620.70 = 882,141,157.80/x - Step 3: Cross multiply
996,932,413.80x = 1,495,398,620.70 × 882,141,157.80 - Step 4: Simplify right side
996,932,413.80x = 1,319,152,670,636,820,992 - Step 5: Solve for x
x = 1,319,152,670,636,820,992/996,932,413.80 - Step 6: Final answer
x = 1,323,211,736.70
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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.