Finding the Fourth Proportional to 363,721,845.06, 545,927,692.59 and 225,128,218.68
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Solution
The fourth proportional to 363,721,845.06, 545,927,692.59 and 225,128,218.68 is: 337,905,821.80
Step by Step Solution
- Step 1: Write the proportion equation
363,721,845.06 : 545,927,692.59 = 225,128,218.68 : x - Step 2: Convert to fraction form
363,721,845.06/545,927,692.59 = 225,128,218.68/x - Step 3: Cross multiply
363,721,845.06x = 545,927,692.59 × 225,128,218.68 - Step 4: Simplify right side
363,721,845.06x = 122,903,728,960,869,344 - Step 5: Solve for x
x = 122,903,728,960,869,344/363,721,845.06 - Step 6: Final answer
x = 337,905,821.80
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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.