Finding the Fourth Proportional to 457,393,576.14, 631,212,479.19 and 248,563,171.26
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Solution
The fourth proportional to 457,393,576.14, 631,212,479.19 and 248,563,171.26 is: 343,022,254.25
Step by Step Solution
- Step 1: Write the proportion equation
457,393,576.14 : 631,212,479.19 = 248,563,171.26 : x - Step 2: Convert to fraction form
457,393,576.14/631,212,479.19 = 248,563,171.26/x - Step 3: Cross multiply
457,393,576.14x = 631,212,479.19 × 248,563,171.26 - Step 4: Simplify right side
457,393,576.14x = 156,896,175,566,353,152 - Step 5: Solve for x
x = 156,896,175,566,353,152/457,393,576.14 - Step 6: Final answer
x = 343,022,254.25
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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.