Finding the Fourth Proportional to 532,128,431.87, 729,003,773.62 and 512,233,314.74
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Solution
The fourth proportional to 532,128,431.87, 729,003,773.62 and 512,233,314.74 is: 701,747,918.46
Step by Step Solution
- Step 1: Write the proportion equation
532,128,431.87 : 729,003,773.62 = 512,233,314.74 : x - Step 2: Convert to fraction form
532,128,431.87/729,003,773.62 = 512,233,314.74/x - Step 3: Cross multiply
532,128,431.87x = 729,003,773.62 × 512,233,314.74 - Step 4: Simplify right side
532,128,431.87x = 373,420,019,419,070,208 - Step 5: Solve for x
x = 373,420,019,419,070,208/532,128,431.87 - Step 6: Final answer
x = 701,747,918.46
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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.