Finding the Fourth Proportional to 664,334,107.80, 996,495,912.90 and 173,046,427.80
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Solution
The fourth proportional to 664,334,107.80, 996,495,912.90 and 173,046,427.80 is: 259,568,274.49
Step by Step Solution
- Step 1: Write the proportion equation
664,334,107.80 : 996,495,912.90 = 173,046,427.80 : x - Step 2: Convert to fraction form
664,334,107.80/996,495,912.90 = 173,046,427.80/x - Step 3: Cross multiply
664,334,107.80x = 996,495,912.90 × 173,046,427.80 - Step 4: Simplify right side
664,334,107.80x = 172,440,058,044,644,960 - Step 5: Solve for x
x = 172,440,058,044,644,960/664,334,107.80 - Step 6: Final answer
x = 259,568,274.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.