Finding the Fourth Proportional to 1,514,344,832.20, 2,270,621,453.10 and 788,750,720.20
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Solution
The fourth proportional to 1,514,344,832.20, 2,270,621,453.10 and 788,750,720.20 is: 1,182,659,502.88
Step by Step Solution
- Step 1: Write the proportion equation
1,514,344,832.20 : 2,270,621,453.10 = 788,750,720.20 : x - Step 2: Convert to fraction form
1,514,344,832.20/2,270,621,453.10 = 788,750,720.20/x - Step 3: Cross multiply
1,514,344,832.20x = 2,270,621,453.10 × 788,750,720.20 - Step 4: Simplify right side
1,514,344,832.20x = 1,790,954,306,434,195,456 - Step 5: Solve for x
x = 1,790,954,306,434,195,456/1,514,344,832.20 - Step 6: Final answer
x = 1,182,659,502.88
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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.