Finding the Fourth Proportional to 5,405,198,220.98, 7,459,956,653.74 and 3,026,489,451.92
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Solution
The fourth proportional to 5,405,198,220.98, 7,459,956,653.74 and 3,026,489,451.92 is: 4,176,993,923.50
Step by Step Solution
- Step 1: Write the proportion equation
5,405,198,220.98 : 7,459,956,653.74 = 3,026,489,451.92 : x - Step 2: Convert to fraction form
5,405,198,220.98/7,459,956,653.74 = 3,026,489,451.92/x - Step 3: Cross multiply
5,405,198,220.98x = 7,459,956,653.74 × 3,026,489,451.92 - Step 4: Simplify right side
5,405,198,220.98x = 22,577,480,124,324,528,128 - Step 5: Solve for x
x = 22,577,480,124,324,528,128/5,405,198,220.98 - Step 6: Final answer
x = 4,176,993,923.50
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1.5x scale
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.