Finding the Fourth Proportional to 2,189,408,489.76, 3,284,085,330.16 and 531,329,508.64
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Solution
The fourth proportional to 2,189,408,489.76, 3,284,085,330.16 and 531,329,508.64 is: 796,987,612.39
Step by Step Solution
- Step 1: Write the proportion equation
2,189,408,489.76 : 3,284,085,330.16 = 531,329,508.64 : x - Step 2: Convert to fraction form
2,189,408,489.76/3,284,085,330.16 = 531,329,508.64/x - Step 3: Cross multiply
2,189,408,489.76x = 3,284,085,330.16 × 531,329,508.64 - Step 4: Simplify right side
2,189,408,489.76x = 1,744,931,444,805,744,896 - Step 5: Solve for x
x = 1,744,931,444,805,744,896/2,189,408,489.76 - Step 6: Final answer
x = 796,987,612.39
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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.