Finding the Fourth Proportional to 2,996,834,103.40, 4,495,251,155.10 and 1,273,324,138.60
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Solution
The fourth proportional to 2,996,834,103.40, 4,495,251,155.10 and 1,273,324,138.60 is: 1,909,986,207.90
Step by Step Solution
- Step 1: Write the proportion equation
2,996,834,103.40 : 4,495,251,155.10 = 1,273,324,138.60 : x - Step 2: Convert to fraction form
2,996,834,103.40/4,495,251,155.10 = 1,273,324,138.60/x - Step 3: Cross multiply
2,996,834,103.40x = 4,495,251,155.10 × 1,273,324,138.60 - Step 4: Simplify right side
2,996,834,103.40x = 5,723,911,804,858,362,880 - Step 5: Solve for x
x = 5,723,911,804,858,362,880/2,996,834,103.40 - Step 6: Final answer
x = 1,909,986,207.90
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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.