Finding the Fourth Proportional to 1,120,246,552.17, 1,544,503,110.71 and 918,560,342.97
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Solution
The fourth proportional to 1,120,246,552.17, 1,544,503,110.71 and 918,560,342.97 is: 1,266,434,879.30
Step by Step Solution
- Step 1: Write the proportion equation
1,120,246,552.17 : 1,544,503,110.71 = 918,560,342.97 : x - Step 2: Convert to fraction form
1,120,246,552.17/1,544,503,110.71 = 918,560,342.97/x - Step 3: Cross multiply
1,120,246,552.17x = 1,544,503,110.71 × 918,560,342.97 - Step 4: Simplify right side
1,120,246,552.17x = 1,418,719,307,087,416,576 - Step 5: Solve for x
x = 1,418,719,307,087,416,576/1,120,246,552.17 - Step 6: Final answer
x = 1,266,434,879.30
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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.