Finding the Fourth Proportional to 1,702,391,413.24, 2,349,299,089.14 and 920,110,261.24
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Solution
The fourth proportional to 1,702,391,413.24, 2,349,299,089.14 and 920,110,261.24 is: 1,269,751,586.99
Step by Step Solution
- Step 1: Write the proportion equation
1,702,391,413.24 : 2,349,299,089.14 = 920,110,261.24 : x - Step 2: Convert to fraction form
1,702,391,413.24/2,349,299,089.14 = 920,110,261.24/x - Step 3: Cross multiply
1,702,391,413.24x = 2,349,299,089.14 × 920,110,261.24 - Step 4: Simplify right side
1,702,391,413.24x = 2,161,614,198,639,499,264 - Step 5: Solve for x
x = 2,161,614,198,639,499,264/1,702,391,413.24 - Step 6: Final answer
x = 1,269,751,586.99
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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.