Finding the Fourth Proportional to 2,936,880,037.80, 4,405,320,056.70 and 998,183,269.80
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Solution
The fourth proportional to 2,936,880,037.80, 4,405,320,056.70 and 998,183,269.80 is: 1,497,274,904.70
Step by Step Solution
- Step 1: Write the proportion equation
2,936,880,037.80 : 4,405,320,056.70 = 998,183,269.80 : x - Step 2: Convert to fraction form
2,936,880,037.80/4,405,320,056.70 = 998,183,269.80/x - Step 3: Cross multiply
2,936,880,037.80x = 4,405,320,056.70 × 998,183,269.80 - Step 4: Simplify right side
2,936,880,037.80x = 4,397,316,778,712,327,168 - Step 5: Solve for x
x = 4,397,316,778,712,327,168/2,936,880,037.80 - Step 6: Final answer
x = 1,497,274,904.70
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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.