Finding the Fourth Proportional to 9,569,467,609.20, 14,354,201,413.80 and 8,279,522,521.20
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Solution
The fourth proportional to 9,569,467,609.20, 14,354,201,413.80 and 8,279,522,521.20 is: 12,419,283,781.80
Step by Step Solution
- Step 1: Write the proportion equation
9,569,467,609.20 : 14,354,201,413.80 = 8,279,522,521.20 : x - Step 2: Convert to fraction form
9,569,467,609.20/14,354,201,413.80 = 8,279,522,521.20/x - Step 3: Cross multiply
9,569,467,609.20x = 14,354,201,413.80 × 8,279,522,521.20 - Step 4: Simplify right side
9,569,467,609.20x = 118,845,933,879,397,974,016 - Step 5: Solve for x
x = 118,845,933,879,397,974,016/9,569,467,609.20 - Step 6: Final answer
x = 12,419,283,781.80
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Double scale
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1.5x scale
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.