Finding the Fourth Proportional to 805,118,261,761.65, 1,207,669,434,066 and 368,861,410,324.92
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Solution
The fourth proportional to 805,118,261,761.65, 1,207,669,434,066 and 368,861,410,324.92 is: 553,288,469,300.38
Step by Step Solution
- Step 1: Write the proportion equation
805,118,261,761.65 : 1,207,669,434,066 = 368,861,410,324.92 : x - Step 2: Convert to fraction form
805,118,261,761.65/1,207,669,434,066 = 368,861,410,324.92/x - Step 3: Cross multiply
805,118,261,761.65x = 1,207,669,434,066 × 368,861,410,324.92 - Step 4: Simplify right side
805,118,261,761.65x = 445,462,650,655,882,734,469,120 - Step 5: Solve for x
x = 445,462,650,655,882,734,469,120/805,118,261,761.65 - Step 6: Final answer
x = 553,288,469,300.38
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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.