Finding the Fourth Proportional to 416,047,926.41, 574,146,447.99 and 225,310,424.49
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Solution
The fourth proportional to 416,047,926.41, 574,146,447.99 and 225,310,424.49 is: 310,928,553.43
Step by Step Solution
- Step 1: Write the proportion equation
416,047,926.41 : 574,146,447.99 = 225,310,424.49 : x - Step 2: Convert to fraction form
416,047,926.41/574,146,447.99 = 225,310,424.49/x - Step 3: Cross multiply
416,047,926.41x = 574,146,447.99 × 225,310,424.49 - Step 4: Simplify right side
416,047,926.41x = 129,361,179,916,052,608 - Step 5: Solve for x
x = 129,361,179,916,052,608/416,047,926.41 - Step 6: Final answer
x = 310,928,553.43
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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.