Finding the Fourth Proportional to 719,360,093.44, 992,661,516.96 and 406,125,268.96
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Solution
The fourth proportional to 719,360,093.44, 992,661,516.96 and 406,125,268.96 is: 560,421,587.52
Step by Step Solution
- Step 1: Write the proportion equation
719,360,093.44 : 992,661,516.96 = 406,125,268.96 : x - Step 2: Convert to fraction form
719,360,093.44/992,661,516.96 = 406,125,268.96/x - Step 3: Cross multiply
719,360,093.44x = 992,661,516.96 × 406,125,268.96 - Step 4: Simplify right side
719,360,093.44x = 403,144,925,561,621,568 - Step 5: Solve for x
x = 403,144,925,561,621,568/719,360,093.44 - Step 6: Final answer
x = 560,421,587.52
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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.