Finding the Fourth Proportional to 541,451,588.92, 747,212,279.52 and 293,932,943.08
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Solution
The fourth proportional to 541,451,588.92, 747,212,279.52 and 293,932,943.08 is: 405,632,394.33
Step by Step Solution
- Step 1: Write the proportion equation
541,451,588.92 : 747,212,279.52 = 293,932,943.08 : x - Step 2: Convert to fraction form
541,451,588.92/747,212,279.52 = 293,932,943.08/x - Step 3: Cross multiply
541,451,588.92x = 747,212,279.52 × 293,932,943.08 - Step 4: Simplify right side
541,451,588.92x = 219,630,304,424,829,184 - Step 5: Solve for x
x = 219,630,304,424,829,184/541,451,588.92 - Step 6: Final answer
x = 405,632,394.33
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Double scale
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Similar ratio
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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.