Finding the Fourth Proportional to 2,877,134,145.60, 4,313,811,650.40 and 1,129,283,745.60
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Solution
The fourth proportional to 2,877,134,145.60, 4,313,811,650.40 and 1,129,283,745.60 is: 1,693,183,957.32
Step by Step Solution
- Step 1: Write the proportion equation
2,877,134,145.60 : 4,313,811,650.40 = 1,129,283,745.60 : x - Step 2: Convert to fraction form
2,877,134,145.60/4,313,811,650.40 = 1,129,283,745.60/x - Step 3: Cross multiply
2,877,134,145.60x = 4,313,811,650.40 × 1,129,283,745.60 - Step 4: Simplify right side
2,877,134,145.60x = 4,871,517,378,376,629,248 - Step 5: Solve for x
x = 4,871,517,378,376,629,248/2,877,134,145.60 - Step 6: Final answer
x = 1,693,183,957.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.