Finding the Fourth Proportional to 265,767,195.70, 398,650,793.55 and 122,439,963.70
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Solution
The fourth proportional to 265,767,195.70, 398,650,793.55 and 122,439,963.70 is: 183,659,945.55
Step by Step Solution
- Step 1: Write the proportion equation
265,767,195.70 : 398,650,793.55 = 122,439,963.70 : x - Step 2: Convert to fraction form
265,767,195.70/398,650,793.55 = 122,439,963.70/x - Step 3: Cross multiply
265,767,195.70x = 398,650,793.55 × 122,439,963.70 - Step 4: Simplify right side
265,767,195.70x = 48,810,788,691,238,200 - Step 5: Solve for x
x = 48,810,788,691,238,200/265,767,195.70 - Step 6: Final answer
x = 183,659,945.55
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1.5x scale
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.