Finding the Fourth Proportional to 257,998,427.70, 362,218,165.50 and 257,998,427.70
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Solution
The fourth proportional to 257,998,427.70, 362,218,165.50 and 257,998,427.70 is: 362,218,165.50
Step by Step Solution
- Step 1: Write the proportion equation
257,998,427.70 : 362,218,165.50 = 257,998,427.70 : x - Step 2: Convert to fraction form
257,998,427.70/362,218,165.50 = 257,998,427.70/x - Step 3: Cross multiply
257,998,427.70x = 362,218,165.50 × 257,998,427.70 - Step 4: Simplify right side
257,998,427.70x = 93,451,717,183,378,384 - Step 5: Solve for x
x = 93,451,717,183,378,384/257,998,427.70 - Step 6: Final answer
x = 362,218,165.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.