Finding the Fourth Proportional to 662,257,542.40, 993,386,313.60 and 202,135,924.60
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Solution
The fourth proportional to 662,257,542.40, 993,386,313.60 and 202,135,924.60 is: 303,203,886.90
Step by Step Solution
- Step 1: Write the proportion equation
662,257,542.40 : 993,386,313.60 = 202,135,924.60 : x - Step 2: Convert to fraction form
662,257,542.40/993,386,313.60 = 202,135,924.60/x - Step 3: Cross multiply
662,257,542.40x = 993,386,313.60 × 202,135,924.60 - Step 4: Simplify right side
662,257,542.40x = 200,799,060,984,521,568 - Step 5: Solve for x
x = 200,799,060,984,521,568/662,257,542.40 - Step 6: Final answer
x = 303,203,886.90
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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.