Finding the Fourth Proportional to 469,920,633.68, 648,452,455.44 and 271,694,846.54
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Solution
The fourth proportional to 469,920,633.68, 648,452,455.44 and 271,694,846.54 is: 374,916,906.69
Step by Step Solution
- Step 1: Write the proportion equation
469,920,633.68 : 648,452,455.44 = 271,694,846.54 : x - Step 2: Convert to fraction form
469,920,633.68/648,452,455.44 = 271,694,846.54/x - Step 3: Cross multiply
469,920,633.68x = 648,452,455.44 × 271,694,846.54 - Step 4: Simplify right side
469,920,633.68x = 176,181,190,369,257,024 - Step 5: Solve for x
x = 176,181,190,369,257,024/469,920,633.68 - Step 6: Final answer
x = 374,916,906.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.