Finding the Fourth Proportional to 540,985,589.40, 811,512,046.08 and 195,942,205.68
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Solution
The fourth proportional to 540,985,589.40, 811,512,046.08 and 195,942,205.68 is: 293,925,500.72
Step by Step Solution
- Step 1: Write the proportion equation
540,985,589.40 : 811,512,046.08 = 195,942,205.68 : x - Step 2: Convert to fraction form
540,985,589.40/811,512,046.08 = 195,942,205.68/x - Step 3: Cross multiply
540,985,589.40x = 811,512,046.08 × 195,942,205.68 - Step 4: Simplify right side
540,985,589.40x = 159,009,460,244,805,024 - Step 5: Solve for x
x = 159,009,460,244,805,024/540,985,589.40 - Step 6: Final answer
x = 293,925,500.72
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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.