Finding the Fourth Proportional to 656,373,708.23, 984,560,476.21 and 268,196,137.20
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Solution
The fourth proportional to 656,373,708.23, 984,560,476.21 and 268,196,137.20 is: 402,294,170.61
Step by Step Solution
- Step 1: Write the proportion equation
656,373,708.23 : 984,560,476.21 = 268,196,137.20 : x - Step 2: Convert to fraction form
656,373,708.23/984,560,476.21 = 268,196,137.20/x - Step 3: Cross multiply
656,373,708.23x = 984,560,476.21 × 268,196,137.20 - Step 4: Simplify right side
656,373,708.23x = 264,055,316,558,644,000 - Step 5: Solve for x
x = 264,055,316,558,644,000/656,373,708.23 - Step 6: Final answer
x = 402,294,170.61
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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.