Finding the Fourth Proportional to 490,331,305.60, 676,661,818.88 and 270,322,604.80
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Solution
The fourth proportional to 490,331,305.60, 676,661,818.88 and 270,322,604.80 is: 373,047,740.09
Step by Step Solution
- Step 1: Write the proportion equation
490,331,305.60 : 676,661,818.88 = 270,322,604.80 : x - Step 2: Convert to fraction form
490,331,305.60/676,661,818.88 = 270,322,604.80/x - Step 3: Cross multiply
490,331,305.60x = 676,661,818.88 × 270,322,604.80 - Step 4: Simplify right side
490,331,305.60x = 182,916,985,448,347,424 - Step 5: Solve for x
x = 182,916,985,448,347,424/490,331,305.60 - Step 6: Final answer
x = 373,047,740.09
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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.