Finding the Fourth Proportional to 457,701,844.14, 631,621,103.67 and 248,863,245.84
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Solution
The fourth proportional to 457,701,844.14, 631,621,103.67 and 248,863,245.84 is: 343,427,233.28
Step by Step Solution
- Step 1: Write the proportion equation
457,701,844.14 : 631,621,103.67 = 248,863,245.84 : x - Step 2: Convert to fraction form
457,701,844.14/631,621,103.67 = 248,863,245.84/x - Step 3: Cross multiply
457,701,844.14x = 631,621,103.67 × 248,863,245.84 - Step 4: Simplify right side
457,701,844.14x = 157,187,278,000,359,328 - Step 5: Solve for x
x = 157,187,278,000,359,328/457,701,844.14 - Step 6: Final answer
x = 343,427,233.28
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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.