Finding the Fourth Proportional to 299,115,580.41, 412,998,149.79 and 193,331,584.15
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Solution
The fourth proportional to 299,115,580.41, 412,998,149.79 and 193,331,584.15 is: 266,938,908.50
Step by Step Solution
- Step 1: Write the proportion equation
299,115,580.41 : 412,998,149.79 = 193,331,584.15 : x - Step 2: Convert to fraction form
299,115,580.41/412,998,149.79 = 193,331,584.15/x - Step 3: Cross multiply
299,115,580.41x = 412,998,149.79 × 193,331,584.15 - Step 4: Simplify right side
299,115,580.41x = 79,845,586,548,887,200 - Step 5: Solve for x
x = 79,845,586,548,887,200/299,115,580.41 - Step 6: Final answer
x = 266,938,908.50
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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.