Finding the Fourth Proportional to 516,265,213.19, 774,396,851.96 and 161,766,635.94
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Solution
The fourth proportional to 516,265,213.19, 774,396,851.96 and 161,766,635.94 is: 242,649,650.65
Step by Step Solution
- Step 1: Write the proportion equation
516,265,213.19 : 774,396,851.96 = 161,766,635.94 : x - Step 2: Convert to fraction form
516,265,213.19/774,396,851.96 = 161,766,635.94/x - Step 3: Cross multiply
516,265,213.19x = 774,396,851.96 × 161,766,635.94 - Step 4: Simplify right side
516,265,213.19x = 125,271,573,623,286,560 - Step 5: Solve for x
x = 125,271,573,623,286,560/516,265,213.19 - Step 6: Final answer
x = 242,649,650.65
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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.