Finding the Fourth Proportional to 850,978,413.96, 1,273,849,574.27 and 555,236,730.99
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Solution
The fourth proportional to 850,978,413.96, 1,273,849,574.27 and 555,236,730.99 is: 831,146,903.13
Step by Step Solution
- Step 1: Write the proportion equation
850,978,413.96 : 1,273,849,574.27 = 555,236,730.99 : x - Step 2: Convert to fraction form
850,978,413.96/1,273,849,574.27 = 555,236,730.99/x - Step 3: Cross multiply
850,978,413.96x = 1,273,849,574.27 × 555,236,730.99 - Step 4: Simplify right side
850,978,413.96x = 707,288,073,394,093,184 - Step 5: Solve for x
x = 707,288,073,394,093,184/850,978,413.96 - Step 6: Final answer
x = 831,146,903.13
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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.