Finding the Fourth Proportional to 595,647,221.80, 893,470,832.70 and 442,592,213.80
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Solution
The fourth proportional to 595,647,221.80, 893,470,832.70 and 442,592,213.80 is: 663,888,320.70
Step by Step Solution
- Step 1: Write the proportion equation
595,647,221.80 : 893,470,832.70 = 442,592,213.80 : x - Step 2: Convert to fraction form
595,647,221.80/893,470,832.70 = 442,592,213.80/x - Step 3: Cross multiply
595,647,221.80x = 893,470,832.70 × 442,592,213.80 - Step 4: Simplify right side
595,647,221.80x = 395,443,233,810,422,464 - Step 5: Solve for x
x = 395,443,233,810,422,464/595,647,221.80 - Step 6: Final answer
x = 663,888,320.70
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Similar ratio
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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.