Finding the Fourth Proportional to 960,337,213.36, 1,324,859,542.59 and 642,899,725.63
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Solution
The fourth proportional to 960,337,213.36, 1,324,859,542.59 and 642,899,725.63 is: 886,929,949.79
Step by Step Solution
- Step 1: Write the proportion equation
960,337,213.36 : 1,324,859,542.59 = 642,899,725.63 : x - Step 2: Convert to fraction form
960,337,213.36/1,324,859,542.59 = 642,899,725.63/x - Step 3: Cross multiply
960,337,213.36x = 1,324,859,542.59 × 642,899,725.63 - Step 4: Simplify right side
960,337,213.36x = 851,751,836,429,398,272 - Step 5: Solve for x
x = 851,751,836,429,398,272/960,337,213.36 - Step 6: Final answer
x = 886,929,949.79
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1.5x scale
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.