Finding the Fourth Proportional to 806,211,640.44, 1,112,501,134.94 and 448,952,421.08
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Solution
The fourth proportional to 806,211,640.44, 1,112,501,134.94 and 448,952,421.08 is: 619,514,843.17
Step by Step Solution
- Step 1: Write the proportion equation
806,211,640.44 : 1,112,501,134.94 = 448,952,421.08 : x - Step 2: Convert to fraction form
806,211,640.44/1,112,501,134.94 = 448,952,421.08/x - Step 3: Cross multiply
806,211,640.44x = 1,112,501,134.94 × 448,952,421.08 - Step 4: Simplify right side
806,211,640.44x = 499,460,077,985,560,768 - Step 5: Solve for x
x = 499,460,077,985,560,768/806,211,640.44 - Step 6: Final answer
x = 619,514,843.17
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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.