Finding the Fourth Proportional to 4,171,419,689.29, 5,757,052,674.47 and 2,477,881,025.12
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Solution
The fourth proportional to 4,171,419,689.29, 5,757,052,674.47 and 2,477,881,025.12 is: 3,419,768,962.43
Step by Step Solution
- Step 1: Write the proportion equation
4,171,419,689.29 : 5,757,052,674.47 = 2,477,881,025.12 : x - Step 2: Convert to fraction form
4,171,419,689.29/5,757,052,674.47 = 2,477,881,025.12/x - Step 3: Cross multiply
4,171,419,689.29x = 5,757,052,674.47 × 2,477,881,025.12 - Step 4: Simplify right side
4,171,419,689.29x = 14,265,291,582,687,563,776 - Step 5: Solve for x
x = 14,265,291,582,687,563,776/4,171,419,689.29 - Step 6: Final answer
x = 3,419,768,962.43
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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.