Finding the Fourth Proportional to 472,129,660.60, 708,195,819.51 and 181,085,996.95
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Solution
The fourth proportional to 472,129,660.60, 708,195,819.51 and 181,085,996.95 is: 271,629,505.02
Step by Step Solution
- Step 1: Write the proportion equation
472,129,660.60 : 708,195,819.51 = 181,085,996.95 : x - Step 2: Convert to fraction form
472,129,660.60/708,195,819.51 = 181,085,996.95/x - Step 3: Cross multiply
472,129,660.60x = 708,195,819.51 × 181,085,996.95 - Step 4: Simplify right side
472,129,660.60x = 128,244,346,011,790,608 - Step 5: Solve for x
x = 128,244,346,011,790,608/472,129,660.60 - Step 6: Final answer
x = 271,629,505.02
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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.