Finding the Fourth Proportional to 493,112,378.24, 680,486,671.08 and 267,049,525.62
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Solution
The fourth proportional to 493,112,378.24, 680,486,671.08 and 267,049,525.62 is: 368,523,790.37
Step by Step Solution
- Step 1: Write the proportion equation
493,112,378.24 : 680,486,671.08 = 267,049,525.62 : x - Step 2: Convert to fraction form
493,112,378.24/680,486,671.08 = 267,049,525.62/x - Step 3: Cross multiply
493,112,378.24x = 680,486,671.08 × 267,049,525.62 - Step 4: Simplify right side
493,112,378.24x = 181,723,642,705,198,816 - Step 5: Solve for x
x = 181,723,642,705,198,816/493,112,378.24 - Step 6: Final answer
x = 368,523,790.37
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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.