Finding the Fourth Proportional to 220,158,751,434.60, 330,285,659,829.68 and 67,015,616,799.05
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Solution
The fourth proportional to 220,158,751,434.60, 330,285,659,829.68 and 67,015,616,799.05 is: 100,537,893,993.02
Step by Step Solution
- Step 1: Write the proportion equation
220,158,751,434.60 : 330,285,659,829.68 = 67,015,616,799.05 : x - Step 2: Convert to fraction form
220,158,751,434.60/330,285,659,829.68 = 67,015,616,799.05/x - Step 3: Cross multiply
220,158,751,434.60x = 330,285,659,829.68 × 67,015,616,799.05 - Step 4: Simplify right side
220,158,751,434.60x = 22,134,297,213,367,215,980,544 - Step 5: Solve for x
x = 22,134,297,213,367,215,980,544/220,158,751,434.60 - Step 6: Final answer
x = 100,537,893,993.02
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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.