Finding the Fourth Proportional to 695,264,163.60, 1,042,896,245.40 and 350,084,413.20
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Solution
The fourth proportional to 695,264,163.60, 1,042,896,245.40 and 350,084,413.20 is: 525,126,619.80
Step by Step Solution
- Step 1: Write the proportion equation
695,264,163.60 : 1,042,896,245.40 = 350,084,413.20 : x - Step 2: Convert to fraction form
695,264,163.60/1,042,896,245.40 = 350,084,413.20/x - Step 3: Cross multiply
695,264,163.60x = 1,042,896,245.40 × 350,084,413.20 - Step 4: Simplify right side
695,264,163.60x = 365,101,720,099,342,208 - Step 5: Solve for x
x = 365,101,720,099,342,208/695,264,163.60 - Step 6: Final answer
x = 525,126,619.80
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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.