Finding the Fourth Proportional to 4,530,335,185.40, 6,795,502,778.10 and 1,425,869,439.80
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Solution
The fourth proportional to 4,530,335,185.40, 6,795,502,778.10 and 1,425,869,439.80 is: 2,138,804,159.70
Step by Step Solution
- Step 1: Write the proportion equation
4,530,335,185.40 : 6,795,502,778.10 = 1,425,869,439.80 : x - Step 2: Convert to fraction form
4,530,335,185.40/6,795,502,778.10 = 1,425,869,439.80/x - Step 3: Cross multiply
4,530,335,185.40x = 6,795,502,778.10 × 1,425,869,439.80 - Step 4: Simplify right side
4,530,335,185.40x = 9,689,499,739,368,790,016 - Step 5: Solve for x
x = 9,689,499,739,368,790,016/4,530,335,185.40 - Step 6: Final answer
x = 2,138,804,159.70
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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.