Finding the Fourth Proportional to 330,112,277.20, 495,168,415.80 and 177,057,269.20
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Solution
The fourth proportional to 330,112,277.20, 495,168,415.80 and 177,057,269.20 is: 265,585,903.80
Step by Step Solution
- Step 1: Write the proportion equation
330,112,277.20 : 495,168,415.80 = 177,057,269.20 : x - Step 2: Convert to fraction form
330,112,277.20/495,168,415.80 = 177,057,269.20/x - Step 3: Cross multiply
330,112,277.20x = 495,168,415.80 × 177,057,269.20 - Step 4: Simplify right side
330,112,277.20x = 87,673,167,495,638,128 - Step 5: Solve for x
x = 87,673,167,495,638,128/330,112,277.20 - Step 6: Final answer
x = 265,585,903.80
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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.