Finding the Fourth Proportional to 32,676,459,872.86, 45,095,190,260.79 and 19,985,209,409.98
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Solution
The fourth proportional to 32,676,459,872.86, 45,095,190,260.79 and 19,985,209,409.98 is: 27,580,613,819.59
Step by Step Solution
- Step 1: Write the proportion equation
32,676,459,872.86 : 45,095,190,260.79 = 19,985,209,409.98 : x - Step 2: Convert to fraction form
32,676,459,872.86/45,095,190,260.79 = 19,985,209,409.98/x - Step 3: Cross multiply
32,676,459,872.86x = 45,095,190,260.79 × 19,985,209,409.98 - Step 4: Simplify right side
32,676,459,872.86x = 901,236,820,744,778,809,344 - Step 5: Solve for x
x = 901,236,820,744,778,809,344/32,676,459,872.86 - Step 6: Final answer
x = 27,580,613,819.59
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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.