Finding the Fourth Proportional to 769,177,775.36, 1,061,517,408.64 and 434,534,232.96
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Solution
The fourth proportional to 769,177,775.36, 1,061,517,408.64 and 434,534,232.96 is: 599,686,662.45
Step by Step Solution
- Step 1: Write the proportion equation
769,177,775.36 : 1,061,517,408.64 = 434,534,232.96 : x - Step 2: Convert to fraction form
769,177,775.36/1,061,517,408.64 = 434,534,232.96/x - Step 3: Cross multiply
769,177,775.36x = 1,061,517,408.64 × 434,534,232.96 - Step 4: Simplify right side
769,177,775.36x = 461,265,652,937,069,248 - Step 5: Solve for x
x = 461,265,652,937,069,248/769,177,775.36 - Step 6: Final answer
x = 599,686,662.45
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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.