Finding the Fourth Proportional to 960,323,679.88, 1,324,515,495.63 and 826,589,209.42
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Solution
The fourth proportional to 960,323,679.88, 1,324,515,495.63 and 826,589,209.42 is: 1,140,063,750.73
Step by Step Solution
- Step 1: Write the proportion equation
960,323,679.88 : 1,324,515,495.63 = 826,589,209.42 : x - Step 2: Convert to fraction form
960,323,679.88/1,324,515,495.63 = 826,589,209.42/x - Step 3: Cross multiply
960,323,679.88x = 1,324,515,495.63 × 826,589,209.42 - Step 4: Simplify right side
960,323,679.88x = 1,094,830,216,397,341,184 - Step 5: Solve for x
x = 1,094,830,216,397,341,184/960,323,679.88 - Step 6: Final answer
x = 1,140,063,750.73
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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.