Finding the Fourth Proportional to 908,626,133.39, 1,253,992,589.80 and 537,467,738.99
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Solution
The fourth proportional to 908,626,133.39, 1,253,992,589.80 and 537,467,738.99 is: 741,757,844.26
Step by Step Solution
- Step 1: Write the proportion equation
908,626,133.39 : 1,253,992,589.80 = 537,467,738.99 : x - Step 2: Convert to fraction form
908,626,133.39/1,253,992,589.80 = 537,467,738.99/x - Step 3: Cross multiply
908,626,133.39x = 1,253,992,589.80 × 537,467,738.99 - Step 4: Simplify right side
908,626,133.39x = 673,980,561,942,406,912 - Step 5: Solve for x
x = 673,980,561,942,406,912/908,626,133.39 - Step 6: Final answer
x = 741,757,844.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.