Finding the Fourth Proportional to 2,534,440,467.60, 3,497,465,419.56 and 1,405,403,992.08
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Solution
The fourth proportional to 2,534,440,467.60, 3,497,465,419.56 and 1,405,403,992.08 is: 1,939,422,892.61
Step by Step Solution
- Step 1: Write the proportion equation
2,534,440,467.60 : 3,497,465,419.56 = 1,405,403,992.08 : x - Step 2: Convert to fraction form
2,534,440,467.60/3,497,465,419.56 = 1,405,403,992.08/x - Step 3: Cross multiply
2,534,440,467.60x = 3,497,465,419.56 × 1,405,403,992.08 - Step 4: Simplify right side
2,534,440,467.60x = 4,915,351,862,811,375,616 - Step 5: Solve for x
x = 4,915,351,862,811,375,616/2,534,440,467.60 - Step 6: Final answer
x = 1,939,422,892.61
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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.