Finding the Fourth Proportional to 835,092,560.70, 1,252,638,841.05 and 289,834,094.70
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Solution
The fourth proportional to 835,092,560.70, 1,252,638,841.05 and 289,834,094.70 is: 434,751,142.05
Step by Step Solution
- Step 1: Write the proportion equation
835,092,560.70 : 1,252,638,841.05 = 289,834,094.70 : x - Step 2: Convert to fraction form
835,092,560.70/1,252,638,841.05 = 289,834,094.70/x - Step 3: Cross multiply
835,092,560.70x = 1,252,638,841.05 × 289,834,094.70 - Step 4: Simplify right side
835,092,560.70x = 363,057,444,481,783,936 - Step 5: Solve for x
x = 363,057,444,481,783,936/835,092,560.70 - Step 6: Final answer
x = 434,751,142.05
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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.