Finding the Fourth Proportional to 1,460,555,149.50, 2,190,809,326.10 and 464,561,716.19
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Solution
The fourth proportional to 1,460,555,149.50, 2,190,809,326.10 and 464,561,716.19 is: 696,835,131.98
Step by Step Solution
- Step 1: Write the proportion equation
1,460,555,149.50 : 2,190,809,326.10 = 464,561,716.19 : x - Step 2: Convert to fraction form
1,460,555,149.50/2,190,809,326.10 = 464,561,716.19/x - Step 3: Cross multiply
1,460,555,149.50x = 2,190,809,326.10 × 464,561,716.19 - Step 4: Simplify right side
1,460,555,149.50x = 1,017,766,140,364,796,416 - Step 5: Solve for x
x = 1,017,766,140,364,796,416/1,460,555,149.50 - Step 6: Final answer
x = 696,835,131.98
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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.