Finding the Fourth Proportional to 4,968,694,363.60, 7,446,711,492.60 and 2,640,746,587.60
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Solution
The fourth proportional to 4,968,694,363.60, 7,446,711,492.60 and 2,640,746,587.60 is: 3,957,755,604.17
Step by Step Solution
- Step 1: Write the proportion equation
4,968,694,363.60 : 7,446,711,492.60 = 2,640,746,587.60 : x - Step 2: Convert to fraction form
4,968,694,363.60/7,446,711,492.60 = 2,640,746,587.60/x - Step 3: Cross multiply
4,968,694,363.60x = 7,446,711,492.60 × 2,640,746,587.60 - Step 4: Simplify right side
4,968,694,363.60x = 19,664,877,962,925,154,304 - Step 5: Solve for x
x = 19,664,877,962,925,154,304/4,968,694,363.60 - Step 6: Final answer
x = 3,957,755,604.17
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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.