Finding the Fourth Proportional to 590,491,413.70, 885,737,120.55 and 360,908,901.70
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Solution
The fourth proportional to 590,491,413.70, 885,737,120.55 and 360,908,901.70 is: 541,363,352.55
Step by Step Solution
- Step 1: Write the proportion equation
590,491,413.70 : 885,737,120.55 = 360,908,901.70 : x - Step 2: Convert to fraction form
590,491,413.70/885,737,120.55 = 360,908,901.70/x - Step 3: Cross multiply
590,491,413.70x = 885,737,120.55 × 360,908,901.70 - Step 4: Simplify right side
590,491,413.70x = 319,670,411,372,620,992 - Step 5: Solve for x
x = 319,670,411,372,620,992/590,491,413.70 - Step 6: Final answer
x = 541,363,352.55
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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.