Finding the Fourth Proportional to 331,237,717.72, 457,102,120.18 and 180,531,730.88
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Solution
The fourth proportional to 331,237,717.72, 457,102,120.18 and 180,531,730.88 is: 249,130,556.49
Step by Step Solution
- Step 1: Write the proportion equation
331,237,717.72 : 457,102,120.18 = 180,531,730.88 : x - Step 2: Convert to fraction form
331,237,717.72/457,102,120.18 = 180,531,730.88/x - Step 3: Cross multiply
331,237,717.72x = 457,102,120.18 × 180,531,730.88 - Step 4: Simplify right side
331,237,717.72x = 82,521,436,945,013,184 - Step 5: Solve for x
x = 82,521,436,945,013,184/331,237,717.72 - Step 6: Final answer
x = 249,130,556.49
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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.