Finding the Fourth Proportional to 736,413,581.97, 1,016,272,288.06 and 401,907,559.19
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Solution
The fourth proportional to 736,413,581.97, 1,016,272,288.06 and 401,907,559.19 is: 554,644,190.11
Step by Step Solution
- Step 1: Write the proportion equation
736,413,581.97 : 1,016,272,288.06 = 401,907,559.19 : x - Step 2: Convert to fraction form
736,413,581.97/1,016,272,288.06 = 401,907,559.19/x - Step 3: Cross multiply
736,413,581.97x = 1,016,272,288.06 × 401,907,559.19 - Step 4: Simplify right side
736,413,581.97x = 408,447,514,760,545,024 - Step 5: Solve for x
x = 408,447,514,760,545,024/736,413,581.97 - Step 6: Final answer
x = 554,644,190.11
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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.