Finding the Fourth Proportional to 298,936,887.90, 448,476,190.65 and 153,392,912.70
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Solution
The fourth proportional to 298,936,887.90, 448,476,190.65 and 153,392,912.70 is: 230,125,728.69
Step by Step Solution
- Step 1: Write the proportion equation
298,936,887.90 : 448,476,190.65 = 153,392,912.70 : x - Step 2: Convert to fraction form
298,936,887.90/448,476,190.65 = 153,392,912.70/x - Step 3: Cross multiply
298,936,887.90x = 448,476,190.65 × 153,392,912.70 - Step 4: Simplify right side
298,936,887.90x = 68,793,069,160,404,000 - Step 5: Solve for x
x = 68,793,069,160,404,000/298,936,887.90 - Step 6: Final answer
x = 230,125,728.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.