Finding the Fourth Proportional to 598,863,556.11, 826,385,583.20 and 338,128,907.79
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Solution
The fourth proportional to 598,863,556.11, 826,385,583.20 and 338,128,907.79 is: 466,591,850.19
Step by Step Solution
- Step 1: Write the proportion equation
598,863,556.11 : 826,385,583.20 = 338,128,907.79 : x - Step 2: Convert to fraction form
598,863,556.11/826,385,583.20 = 338,128,907.79/x - Step 3: Cross multiply
598,863,556.11x = 826,385,583.20 × 338,128,907.79 - Step 4: Simplify right side
598,863,556.11x = 279,424,854,659,127,552 - Step 5: Solve for x
x = 279,424,854,659,127,552/598,863,556.11 - Step 6: Final answer
x = 466,591,850.19
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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.