Finding the Fourth Proportional to 864,561,452.18, 1,193,080,560.64 and 468,081,271.94
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Solution
The fourth proportional to 864,561,452.18, 1,193,080,560.64 and 468,081,271.94 is: 645,944,443.79
Step by Step Solution
- Step 1: Write the proportion equation
864,561,452.18 : 1,193,080,560.64 = 468,081,271.94 : x - Step 2: Convert to fraction form
864,561,452.18/1,193,080,560.64 = 468,081,271.94/x - Step 3: Cross multiply
864,561,452.18x = 1,193,080,560.64 × 468,081,271.94 - Step 4: Simplify right side
864,561,452.18x = 558,458,666,344,123,904 - Step 5: Solve for x
x = 558,458,666,344,123,904/864,561,452.18 - Step 6: Final answer
x = 645,944,443.79
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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.