Finding the Fourth Proportional to 760,404,229.68, 1,049,177,964.84 and 430,379,368.68
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Solution
The fourth proportional to 760,404,229.68, 1,049,177,964.84 and 430,379,368.68 is: 593,821,723.39
Step by Step Solution
- Step 1: Write the proportion equation
760,404,229.68 : 1,049,177,964.84 = 430,379,368.68 : x - Step 2: Convert to fraction form
760,404,229.68/1,049,177,964.84 = 430,379,368.68/x - Step 3: Cross multiply
760,404,229.68x = 1,049,177,964.84 × 430,379,368.68 - Step 4: Simplify right side
760,404,229.68x = 451,544,550,140,806,464 - Step 5: Solve for x
x = 451,544,550,140,806,464/760,404,229.68 - Step 6: Final answer
x = 593,821,723.39
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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.