Finding the Fourth Proportional to 3,449,102,437.20, 5,173,653,655.80 and 995,519,384.40
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Solution
The fourth proportional to 3,449,102,437.20, 5,173,653,655.80 and 995,519,384.40 is: 1,493,279,076.60
Step by Step Solution
- Step 1: Write the proportion equation
3,449,102,437.20 : 5,173,653,655.80 = 995,519,384.40 : x - Step 2: Convert to fraction form
3,449,102,437.20/5,173,653,655.80 = 995,519,384.40/x - Step 3: Cross multiply
3,449,102,437.20x = 5,173,653,655.80 × 995,519,384.40 - Step 4: Simplify right side
3,449,102,437.20x = 5,150,472,502,520,825,856 - Step 5: Solve for x
x = 5,150,472,502,520,825,856/3,449,102,437.20 - Step 6: Final answer
x = 1,493,279,076.60
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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.