Finding the Fourth Proportional to 1,193,480,959.38, 1,647,054,517.23 and 664,844,305.74
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Solution
The fourth proportional to 1,193,480,959.38, 1,647,054,517.23 and 664,844,305.74 is: 917,513,436.99
Step by Step Solution
- Step 1: Write the proportion equation
1,193,480,959.38 : 1,647,054,517.23 = 664,844,305.74 : x - Step 2: Convert to fraction form
1,193,480,959.38/1,647,054,517.23 = 664,844,305.74/x - Step 3: Cross multiply
1,193,480,959.38x = 1,647,054,517.23 × 664,844,305.74 - Step 4: Simplify right side
1,193,480,959.38x = 1,095,034,817,023,710,208 - Step 5: Solve for x
x = 1,095,034,817,023,710,208/1,193,480,959.38 - Step 6: Final answer
x = 917,513,436.99
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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.