Finding the Fourth Proportional to 640,512,716.94, 960,811,230.92 and 167,823,334.35
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Solution
The fourth proportional to 640,512,716.94, 960,811,230.92 and 167,823,334.35 is: 251,746,046.86
Step by Step Solution
- Step 1: Write the proportion equation
640,512,716.94 : 960,811,230.92 = 167,823,334.35 : x - Step 2: Convert to fraction form
640,512,716.94/960,811,230.92 = 167,823,334.35/x - Step 3: Cross multiply
640,512,716.94x = 960,811,230.92 × 167,823,334.35 - Step 4: Simplify right side
640,512,716.94x = 161,246,544,453,083,104 - Step 5: Solve for x
x = 161,246,544,453,083,104/640,512,716.94 - Step 6: Final answer
x = 251,746,046.86
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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.