Finding the Fourth Proportional to 532,125,998.09, 729,000,431.11 and 512,230,876.86
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Solution
The fourth proportional to 532,125,998.09, 729,000,431.11 and 512,230,876.86 is: 701,744,570.65
Step by Step Solution
- Step 1: Write the proportion equation
532,125,998.09 : 729,000,431.11 = 512,230,876.86 : x - Step 2: Convert to fraction form
532,125,998.09/729,000,431.11 = 512,230,876.86/x - Step 3: Cross multiply
532,125,998.09x = 729,000,431.11 × 512,230,876.86 - Step 4: Simplify right side
532,125,998.09x = 373,416,530,058,793,344 - Step 5: Solve for x
x = 373,416,530,058,793,344/532,125,998.09 - Step 6: Final answer
x = 701,744,570.65
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.