Finding the Fourth Proportional to 314,929,165.80, 472,393,748.70 and 276,665,413.80
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Solution
The fourth proportional to 314,929,165.80, 472,393,748.70 and 276,665,413.80 is: 414,998,120.70
Step by Step Solution
- Step 1: Write the proportion equation
314,929,165.80 : 472,393,748.70 = 276,665,413.80 : x - Step 2: Convert to fraction form
314,929,165.80/472,393,748.70 = 276,665,413.80/x - Step 3: Cross multiply
314,929,165.80x = 472,393,748.70 × 276,665,413.80 - Step 4: Simplify right side
314,929,165.80x = 130,695,011,960,618,720 - Step 5: Solve for x
x = 130,695,011,960,618,720/314,929,165.80 - Step 6: Final answer
x = 414,998,120.70
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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.