Finding the Fourth Proportional to 4,429,175,211.68, 6,109,381,770.05 and 2,840,751,206.78
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Solution
The fourth proportional to 4,429,175,211.68, 6,109,381,770.05 and 2,840,751,206.78 is: 3,918,389,498.38
Step by Step Solution
- Step 1: Write the proportion equation
4,429,175,211.68 : 6,109,381,770.05 = 2,840,751,206.78 : x - Step 2: Convert to fraction form
4,429,175,211.68/6,109,381,770.05 = 2,840,751,206.78/x - Step 3: Cross multiply
4,429,175,211.68x = 6,109,381,770.05 × 2,840,751,206.78 - Step 4: Simplify right side
4,429,175,211.68x = 17,355,233,635,935,068,160 - Step 5: Solve for x
x = 17,355,233,635,935,068,160/4,429,175,211.68 - Step 6: Final answer
x = 3,918,389,498.38
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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.