Finding the Fourth Proportional to 486,122,832.35, 729,215,581.80 and 170,950,197.26
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Solution
The fourth proportional to 486,122,832.35, 729,215,581.80 and 170,950,197.26 is: 256,436,314.57
Step by Step Solution
- Step 1: Write the proportion equation
486,122,832.35 : 729,215,581.80 = 170,950,197.26 : x - Step 2: Convert to fraction form
486,122,832.35/729,215,581.80 = 170,950,197.26/x - Step 3: Cross multiply
486,122,832.35x = 729,215,581.80 × 170,950,197.26 - Step 4: Simplify right side
486,122,832.35x = 124,659,547,556,239,760 - Step 5: Solve for x
x = 124,659,547,556,239,760/486,122,832.35 - Step 6: Final answer
x = 256,436,314.57
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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.