Finding the Fourth Proportional to 960,337,217.86, 1,324,859,548.80 and 642,899,730.14
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Solution
The fourth proportional to 960,337,217.86, 1,324,859,548.80 and 642,899,730.14 is: 886,929,956.02
Step by Step Solution
- Step 1: Write the proportion equation
960,337,217.86 : 1,324,859,548.80 = 642,899,730.14 : x - Step 2: Convert to fraction form
960,337,217.86/1,324,859,548.80 = 642,899,730.14/x - Step 3: Cross multiply
960,337,217.86x = 1,324,859,548.80 × 642,899,730.14 - Step 4: Simplify right side
960,337,217.86x = 851,751,846,396,922,112 - Step 5: Solve for x
x = 851,751,846,396,922,112/960,337,217.86 - Step 6: Final answer
x = 886,929,956.02
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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.