Finding the Fourth Proportional to 8,836,963,220.96, 12,195,267,788.64 and 4,822,890,949.28
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Solution
The fourth proportional to 8,836,963,220.96, 12,195,267,788.64 and 4,822,890,949.28 is: 6,655,730,613.70
Step by Step Solution
- Step 1: Write the proportion equation
8,836,963,220.96 : 12,195,267,788.64 = 4,822,890,949.28 : x - Step 2: Convert to fraction form
8,836,963,220.96/12,195,267,788.64 = 4,822,890,949.28/x - Step 3: Cross multiply
8,836,963,220.96x = 12,195,267,788.64 × 4,822,890,949.28 - Step 4: Simplify right side
8,836,963,220.96x = 58,816,446,641,877,770,240 - Step 5: Solve for x
x = 58,816,446,641,877,770,240/8,836,963,220.96 - Step 6: Final answer
x = 6,655,730,613.70
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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.