Finding the Fourth Proportional to 262,361,684.80, 393,780,472.80 and 133,059,246.40
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Solution
The fourth proportional to 262,361,684.80, 393,780,472.80 and 133,059,246.40 is: 199,709,545.99
Step by Step Solution
- Step 1: Write the proportion equation
262,361,684.80 : 393,780,472.80 = 133,059,246.40 : x - Step 2: Convert to fraction form
262,361,684.80/393,780,472.80 = 133,059,246.40/x - Step 3: Cross multiply
262,361,684.80x = 393,780,472.80 × 133,059,246.40 - Step 4: Simplify right side
262,361,684.80x = 52,396,132,957,803,704 - Step 5: Solve for x
x = 52,396,132,957,803,704/262,361,684.80 - Step 6: Final answer
x = 199,709,545.99
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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.