Finding the Fourth Proportional to 1,227,880,397,923.60, 1,694,361,235,240.30 and 679,159,892,859.18
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Solution
The fourth proportional to 1,227,880,397,923.60, 1,694,361,235,240.30 and 679,159,892,859.18 is: 937,177,755,208.49
Step by Step Solution
- Step 1: Write the proportion equation
1,227,880,397,923.60 : 1,694,361,235,240.30 = 679,159,892,859.18 : x - Step 2: Convert to fraction form
1,227,880,397,923.60/1,694,361,235,240.30 = 679,159,892,859.18/x - Step 3: Cross multiply
1,227,880,397,923.60x = 1,694,361,235,240.30 × 679,159,892,859.18 - Step 4: Simplify right side
1,227,880,397,923.60x = 1,150,742,194,990,550,102,310,912 - Step 5: Solve for x
x = 1,150,742,194,990,550,102,310,912/1,227,880,397,923.60 - Step 6: Final answer
x = 937,177,755,208.49
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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.