Finding the Fourth Proportional to 298,840,916.24, 448,397,576.76 and 153,376,629.44
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Solution
The fourth proportional to 298,840,916.24, 448,397,576.76 and 153,376,629.44 is: 230,134,848.46
Step by Step Solution
- Step 1: Write the proportion equation
298,840,916.24 : 448,397,576.76 = 153,376,629.44 : x - Step 2: Convert to fraction form
298,840,916.24/448,397,576.76 = 153,376,629.44/x - Step 3: Cross multiply
298,840,916.24x = 448,397,576.76 × 153,376,629.44 - Step 4: Simplify right side
298,840,916.24x = 68,773,708,972,512,472 - Step 5: Solve for x
x = 68,773,708,972,512,472/298,840,916.24 - Step 6: Final answer
x = 230,134,848.46
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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.