Finding the Fourth Proportional to 3,236,804,772.40, 4,840,874,435.40 and 2,720,826,737.20
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Solution
The fourth proportional to 3,236,804,772.40, 4,840,874,435.40 and 2,720,826,737.20 is: 4,069,192,157.52
Step by Step Solution
- Step 1: Write the proportion equation
3,236,804,772.40 : 4,840,874,435.40 = 2,720,826,737.20 : x - Step 2: Convert to fraction form
3,236,804,772.40/4,840,874,435.40 = 2,720,826,737.20/x - Step 3: Cross multiply
3,236,804,772.40x = 4,840,874,435.40 × 2,720,826,737.20 - Step 4: Simplify right side
3,236,804,772.40x = 13,171,180,595,264,272,384 - Step 5: Solve for x
x = 13,171,180,595,264,272,384/3,236,804,772.40 - Step 6: Final answer
x = 4,069,192,157.52
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1.5x scale
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.