Finding the Fourth Proportional to 7,256,948,696.90, 10,887,438,584.55 and 3,118,374,872.90
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Solution
The fourth proportional to 7,256,948,696.90, 10,887,438,584.55 and 3,118,374,872.90 is: 4,678,428,404.32
Step by Step Solution
- Step 1: Write the proportion equation
7,256,948,696.90 : 10,887,438,584.55 = 3,118,374,872.90 : x - Step 2: Convert to fraction form
7,256,948,696.90/10,887,438,584.55 = 3,118,374,872.90/x - Step 3: Cross multiply
7,256,948,696.90x = 10,887,438,584.55 × 3,118,374,872.90 - Step 4: Simplify right side
7,256,948,696.90x = 33,951,114,912,302,661,632 - Step 5: Solve for x
x = 33,951,114,912,302,661,632/7,256,948,696.90 - Step 6: Final answer
x = 4,678,428,404.32
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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.