Finding the Fourth Proportional to 323,318,655.12, 446,179,922.72 and 174,639,775.28
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Solution
The fourth proportional to 323,318,655.12, 446,179,922.72 and 174,639,775.28 is: 241,002,986.39
Step by Step Solution
- Step 1: Write the proportion equation
323,318,655.12 : 446,179,922.72 = 174,639,775.28 : x - Step 2: Convert to fraction form
323,318,655.12/446,179,922.72 = 174,639,775.28/x - Step 3: Cross multiply
323,318,655.12x = 446,179,922.72 × 174,639,775.28 - Step 4: Simplify right side
323,318,655.12x = 77,920,761,438,268,576 - Step 5: Solve for x
x = 77,920,761,438,268,576/323,318,655.12 - Step 6: Final answer
x = 241,002,986.39
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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.