Finding the Fourth Proportional to 2,834,367,436.80, 4,251,551,155.20 and 994,306,118.40
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Solution
The fourth proportional to 2,834,367,436.80, 4,251,551,155.20 and 994,306,118.40 is: 1,491,459,177.60
Step by Step Solution
- Step 1: Write the proportion equation
2,834,367,436.80 : 4,251,551,155.20 = 994,306,118.40 : x - Step 2: Convert to fraction form
2,834,367,436.80/4,251,551,155.20 = 994,306,118.40/x - Step 3: Cross multiply
2,834,367,436.80x = 4,251,551,155.20 × 994,306,118.40 - Step 4: Simplify right side
2,834,367,436.80x = 4,227,343,326,305,947,648 - Step 5: Solve for x
x = 4,227,343,326,305,947,648/2,834,367,436.80 - Step 6: Final answer
x = 1,491,459,177.60
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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.