Finding the Fourth Proportional to 598,590,190.80, 897,885,286.20 and 394,348,885.20
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Solution
The fourth proportional to 598,590,190.80, 897,885,286.20 and 394,348,885.20 is: 591,523,327.80
Step by Step Solution
- Step 1: Write the proportion equation
598,590,190.80 : 897,885,286.20 = 394,348,885.20 : x - Step 2: Convert to fraction form
598,590,190.80/897,885,286.20 = 394,348,885.20/x - Step 3: Cross multiply
598,590,190.80x = 897,885,286.20 × 394,348,885.20 - Step 4: Simplify right side
598,590,190.80x = 354,080,061,650,452,928 - Step 5: Solve for x
x = 354,080,061,650,452,928/598,590,190.80 - Step 6: Final answer
x = 591,523,327.80
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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.