Finding the Fourth Proportional to 327,638,546.58, 452,138,507.28 and 178,959,762.48
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Solution
The fourth proportional to 327,638,546.58, 452,138,507.28 and 178,959,762.48 is: 246,963,004.55
Step by Step Solution
- Step 1: Write the proportion equation
327,638,546.58 : 452,138,507.28 = 178,959,762.48 : x - Step 2: Convert to fraction form
327,638,546.58/452,138,507.28 = 178,959,762.48/x - Step 3: Cross multiply
327,638,546.58x = 452,138,507.28 × 178,959,762.48 - Step 4: Simplify right side
327,638,546.58x = 80,914,599,870,890,544 - Step 5: Solve for x
x = 80,914,599,870,890,544/327,638,546.58 - Step 6: Final answer
x = 246,963,004.55
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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.