Finding the Fourth Proportional to 455,063,616.24, 627,983,319.60 and 246,215,176.44
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Solution
The fourth proportional to 455,063,616.24, 627,983,319.60 and 246,215,176.44 is: 339,774,524.53
Step by Step Solution
- Step 1: Write the proportion equation
455,063,616.24 : 627,983,319.60 = 246,215,176.44 : x - Step 2: Convert to fraction form
455,063,616.24/627,983,319.60 = 246,215,176.44/x - Step 3: Cross multiply
455,063,616.24x = 627,983,319.60 × 246,215,176.44 - Step 4: Simplify right side
455,063,616.24x = 154,619,023,836,690,912 - Step 5: Solve for x
x = 154,619,023,836,690,912/455,063,616.24 - Step 6: Final answer
x = 339,774,524.53
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1.5x scale
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.