Finding the Fourth Proportional to 1,454,465,733.36, 2,007,168,841.88 and 819,393,845.28
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Solution
The fourth proportional to 1,454,465,733.36, 2,007,168,841.88 and 819,393,845.28 is: 1,130,766,959.82
Step by Step Solution
- Step 1: Write the proportion equation
1,454,465,733.36 : 2,007,168,841.88 = 819,393,845.28 : x - Step 2: Convert to fraction form
1,454,465,733.36/2,007,168,841.88 = 819,393,845.28/x - Step 3: Cross multiply
1,454,465,733.36x = 2,007,168,841.88 × 819,393,845.28 - Step 4: Simplify right side
1,454,465,733.36x = 1,644,661,795,474,257,664 - Step 5: Solve for x
x = 1,644,661,795,474,257,664/1,454,465,733.36 - Step 6: Final answer
x = 1,130,766,959.82
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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.