Finding the Fourth Proportional to 1,620,498,966.36, 2,236,279,791.02 and 906,034,382.52
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Solution
The fourth proportional to 1,620,498,966.36, 2,236,279,791.02 and 906,034,382.52 is: 1,250,322,537.48
Step by Step Solution
- Step 1: Write the proportion equation
1,620,498,966.36 : 2,236,279,791.02 = 906,034,382.52 : x - Step 2: Convert to fraction form
1,620,498,966.36/2,236,279,791.02 = 906,034,382.52/x - Step 3: Cross multiply
1,620,498,966.36x = 2,236,279,791.02 × 906,034,382.52 - Step 4: Simplify right side
1,620,498,966.36x = 2,026,146,379,598,760,192 - Step 5: Solve for x
x = 2,026,146,379,598,760,192/1,620,498,966.36 - Step 6: Final answer
x = 1,250,322,537.48
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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.