Finding the Fourth Proportional to 445,841,272.31, 668,496,977.26 and 169,512,713.75
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Solution
The fourth proportional to 445,841,272.31, 668,496,977.26 and 169,512,713.75 is: 254,168,341.49
Step by Step Solution
- Step 1: Write the proportion equation
445,841,272.31 : 668,496,977.26 = 169,512,713.75 : x - Step 2: Convert to fraction form
445,841,272.31/668,496,977.26 = 169,512,713.75/x - Step 3: Cross multiply
445,841,272.31x = 668,496,977.26 × 169,512,713.75 - Step 4: Simplify right side
445,841,272.31x = 113,318,736,750,262,112 - Step 5: Solve for x
x = 113,318,736,750,262,112/445,841,272.31 - Step 6: Final answer
x = 254,168,341.49
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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.