Finding the Fourth Proportional to 8,007,848,377.05, 12,011,772,565.58 and 5,388,907,129.05
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Solution
The fourth proportional to 8,007,848,377.05, 12,011,772,565.58 and 5,388,907,129.05 is: 8,083,360,693.58
Step by Step Solution
- Step 1: Write the proportion equation
8,007,848,377.05 : 12,011,772,565.58 = 5,388,907,129.05 : x - Step 2: Convert to fraction form
8,007,848,377.05/12,011,772,565.58 = 5,388,907,129.05/x - Step 3: Cross multiply
8,007,848,377.05x = 12,011,772,565.58 × 5,388,907,129.05 - Step 4: Simplify right side
8,007,848,377.05x = 64,730,326,811,154,333,696 - Step 5: Solve for x
x = 64,730,326,811,154,333,696/8,007,848,377.05 - Step 6: Final answer
x = 8,083,360,693.58
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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.