Finding the Fourth Proportional to 7,561,876,764.57, 10,440,099,431.98 and 4,813,684,674.97
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Solution
The fourth proportional to 7,561,876,764.57, 10,440,099,431.98 and 4,813,684,674.97 is: 6,645,882,788.82
Step by Step Solution
- Step 1: Write the proportion equation
7,561,876,764.57 : 10,440,099,431.98 = 4,813,684,674.97 : x - Step 2: Convert to fraction form
7,561,876,764.57/10,440,099,431.98 = 4,813,684,674.97/x - Step 3: Cross multiply
7,561,876,764.57x = 10,440,099,431.98 × 4,813,684,674.97 - Step 4: Simplify right side
7,561,876,764.57x = 50,255,346,640,832,929,792 - Step 5: Solve for x
x = 50,255,346,640,832,929,792/7,561,876,764.57 - Step 6: Final answer
x = 6,645,882,788.82
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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.