Finding the Fourth Proportional to 323,318,638.10, 446,179,899.26 and 174,639,758.31
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Solution
The fourth proportional to 323,318,638.10, 446,179,899.26 and 174,639,758.31 is: 241,002,962.98
Step by Step Solution
- Step 1: Write the proportion equation
323,318,638.10 : 446,179,899.26 = 174,639,758.31 : x - Step 2: Convert to fraction form
323,318,638.10/446,179,899.26 = 174,639,758.31/x - Step 3: Cross multiply
323,318,638.10x = 446,179,899.26 × 174,639,758.31 - Step 4: Simplify right side
323,318,638.10x = 77,920,749,768,673,344 - Step 5: Solve for x
x = 77,920,749,768,673,344/323,318,638.10 - Step 6: Final answer
x = 241,002,962.98
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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.