Finding the Fourth Proportional to 760,351,943.52, 1,141,007,696.28 and 323,651,930.40
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Solution
The fourth proportional to 760,351,943.52, 1,141,007,696.28 and 323,651,930.40 is: 485,682,119.51
Step by Step Solution
- Step 1: Write the proportion equation
760,351,943.52 : 1,141,007,696.28 = 323,651,930.40 : x - Step 2: Convert to fraction form
760,351,943.52/1,141,007,696.28 = 323,651,930.40/x - Step 3: Cross multiply
760,351,943.52x = 1,141,007,696.28 × 323,651,930.40 - Step 4: Simplify right side
760,351,943.52x = 369,289,343,502,278,848 - Step 5: Solve for x
x = 369,289,343,502,278,848/760,351,943.52 - Step 6: Final answer
x = 485,682,119.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.