Finding the Fourth Proportional to 613,415,707,715.05, 920,123,561,572.55 and 613,415,707,715.05
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Solution
The fourth proportional to 613,415,707,715.05, 920,123,561,572.55 and 613,415,707,715.05 is: 920,123,561,572.55
Step by Step Solution
- Step 1: Write the proportion equation
613,415,707,715.05 : 920,123,561,572.55 = 613,415,707,715.05 : x - Step 2: Convert to fraction form
613,415,707,715.05/920,123,561,572.55 = 613,415,707,715.05/x - Step 3: Cross multiply
613,415,707,715.05x = 920,123,561,572.55 × 613,415,707,715.05 - Step 4: Simplify right side
613,415,707,715.05x = 564,418,245,707,318,236,807,168 - Step 5: Solve for x
x = 564,418,245,707,318,236,807,168/613,415,707,715.05 - Step 6: Final answer
x = 920,123,561,572.55
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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.