Finding the Fourth Proportional to 288,480,965.21, 432,761,863.57 and 94,407,634.97
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Solution
The fourth proportional to 288,480,965.21, 432,761,863.57 and 94,407,634.97 is: 141,624,678.82
Step by Step Solution
- Step 1: Write the proportion equation
288,480,965.21 : 432,761,863.57 = 94,407,634.97 : x - Step 2: Convert to fraction form
288,480,965.21/432,761,863.57 = 94,407,634.97/x - Step 3: Cross multiply
288,480,965.21x = 432,761,863.57 × 94,407,634.97 - Step 4: Simplify right side
288,480,965.21x = 40,856,024,042,453,672 - Step 5: Solve for x
x = 40,856,024,042,453,672/288,480,965.21 - Step 6: Final answer
x = 141,624,678.82
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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.