Finding the Fourth Proportional to 3,186,703,668.30, 4,397,655,298.42 and 1,757,742,729.02
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Solution
The fourth proportional to 3,186,703,668.30, 4,397,655,298.42 and 1,757,742,729.02 is: 2,425,687,302.66
Step by Step Solution
- Step 1: Write the proportion equation
3,186,703,668.30 : 4,397,655,298.42 = 1,757,742,729.02 : x - Step 2: Convert to fraction form
3,186,703,668.30/4,397,655,298.42 = 1,757,742,729.02/x - Step 3: Cross multiply
3,186,703,668.30x = 4,397,655,298.42 × 1,757,742,729.02 - Step 4: Simplify right side
3,186,703,668.30x = 7,729,946,625,531,040,768 - Step 5: Solve for x
x = 7,729,946,625,531,040,768/3,186,703,668.30 - Step 6: Final answer
x = 2,425,687,302.66
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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.