Finding the Fourth Proportional to 599,068,961.20, 898,603,441.80 and 292,557,703.60
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Solution
The fourth proportional to 599,068,961.20, 898,603,441.80 and 292,557,703.60 is: 438,836,555.40
Step by Step Solution
- Step 1: Write the proportion equation
599,068,961.20 : 898,603,441.80 = 292,557,703.60 : x - Step 2: Convert to fraction form
599,068,961.20/898,603,441.80 = 292,557,703.60/x - Step 3: Cross multiply
599,068,961.20x = 898,603,441.80 × 292,557,703.60 - Step 4: Simplify right side
599,068,961.20x = 262,893,359,380,064,256 - Step 5: Solve for x
x = 262,893,359,380,064,256/599,068,961.20 - Step 6: Final answer
x = 438,836,555.40
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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.