Finding the Fourth Proportional to 9,920,232,341.05, 14,880,348,511.58 and 5,557,597,742.65
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Solution
The fourth proportional to 9,920,232,341.05, 14,880,348,511.58 and 5,557,597,742.65 is: 8,336,396,613.98
Step by Step Solution
- Step 1: Write the proportion equation
9,920,232,341.05 : 14,880,348,511.58 = 5,557,597,742.65 : x - Step 2: Convert to fraction form
9,920,232,341.05/14,880,348,511.58 = 5,557,597,742.65/x - Step 3: Cross multiply
9,920,232,341.05x = 14,880,348,511.58 × 5,557,597,742.65 - Step 4: Simplify right side
9,920,232,341.05x = 82,698,991,297,802,289,152 - Step 5: Solve for x
x = 82,698,991,297,802,289,152/9,920,232,341.05 - Step 6: Final answer
x = 8,336,396,613.98
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Double scale
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Similar ratio
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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.