Finding the Fourth Proportional to 7,256,948,696.40, 10,887,438,583.80 and 3,118,374,872.40
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Solution
The fourth proportional to 7,256,948,696.40, 10,887,438,583.80 and 3,118,374,872.40 is: 4,678,428,403.57
Step by Step Solution
- Step 1: Write the proportion equation
7,256,948,696.40 : 10,887,438,583.80 = 3,118,374,872.40 : x - Step 2: Convert to fraction form
7,256,948,696.40/10,887,438,583.80 = 3,118,374,872.40/x - Step 3: Cross multiply
7,256,948,696.40x = 10,887,438,583.80 × 3,118,374,872.40 - Step 4: Simplify right side
7,256,948,696.40x = 33,951,114,904,520,159,232 - Step 5: Solve for x
x = 33,951,114,904,520,159,232/7,256,948,696.40 - Step 6: Final answer
x = 4,678,428,403.57
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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.