Finding the Fourth Proportional to 442,931,203.20, 664,197,739.20 and 170,211,331.20
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Solution
The fourth proportional to 442,931,203.20, 664,197,739.20 and 170,211,331.20 is: 255,240,499.09
Step by Step Solution
- Step 1: Write the proportion equation
442,931,203.20 : 664,197,739.20 = 170,211,331.20 : x - Step 2: Convert to fraction form
442,931,203.20/664,197,739.20 = 170,211,331.20/x - Step 3: Cross multiply
442,931,203.20x = 664,197,739.20 × 170,211,331.20 - Step 4: Simplify right side
442,931,203.20x = 113,053,981,369,262,416 - Step 5: Solve for x
x = 113,053,981,369,262,416/442,931,203.20 - Step 6: Final answer
x = 255,240,499.09
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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.