Finding the Fourth Proportional to 19,135,274,413.20, 28,702,911,619.80 and 19,135,274,413.20
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Solution
The fourth proportional to 19,135,274,413.20, 28,702,911,619.80 and 19,135,274,413.20 is: 28,702,911,619.80
Step by Step Solution
- Step 1: Write the proportion equation
19,135,274,413.20 : 28,702,911,619.80 = 19,135,274,413.20 : x - Step 2: Convert to fraction form
19,135,274,413.20/28,702,911,619.80 = 19,135,274,413.20/x - Step 3: Cross multiply
19,135,274,413.20x = 28,702,911,619.80 × 19,135,274,413.20 - Step 4: Simplify right side
19,135,274,413.20x = 549,238,090,302,699,929,600 - Step 5: Solve for x
x = 549,238,090,302,699,929,600/19,135,274,413.20 - Step 6: Final answer
x = 28,702,911,619.80
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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.