Finding the Fourth Proportional to 4,881,384,390.20, 7,322,076,585.30 and 1,609,660,383.80
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Solution
The fourth proportional to 4,881,384,390.20, 7,322,076,585.30 and 1,609,660,383.80 is: 2,414,490,575.70
Step by Step Solution
- Step 1: Write the proportion equation
4,881,384,390.20 : 7,322,076,585.30 = 1,609,660,383.80 : x - Step 2: Convert to fraction form
4,881,384,390.20/7,322,076,585.30 = 1,609,660,383.80/x - Step 3: Cross multiply
4,881,384,390.20x = 7,322,076,585.30 × 1,609,660,383.80 - Step 4: Simplify right side
4,881,384,390.20x = 11,786,056,606,506,991,616 - Step 5: Solve for x
x = 11,786,056,606,506,991,616/4,881,384,390.20 - Step 6: Final answer
x = 2,414,490,575.70
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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.