Finding the Fourth Proportional to 1,702,391,413.26, 2,349,299,089.08 and 920,110,261.26
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Solution
The fourth proportional to 1,702,391,413.26, 2,349,299,089.08 and 920,110,261.26 is: 1,269,751,586.97
Step by Step Solution
- Step 1: Write the proportion equation
1,702,391,413.26 : 2,349,299,089.08 = 920,110,261.26 : x - Step 2: Convert to fraction form
1,702,391,413.26/2,349,299,089.08 = 920,110,261.26/x - Step 3: Cross multiply
1,702,391,413.26x = 2,349,299,089.08 × 920,110,261.26 - Step 4: Simplify right side
1,702,391,413.26x = 2,161,614,198,631,278,848 - Step 5: Solve for x
x = 2,161,614,198,631,278,848/1,702,391,413.26 - Step 6: Final answer
x = 1,269,751,586.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.