Finding the Fourth Proportional to 5,432,888,989.80, 8,149,333,484.70 and 4,344,497,821.80
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Solution
The fourth proportional to 5,432,888,989.80, 8,149,333,484.70 and 4,344,497,821.80 is: 6,516,746,732.70
Step by Step Solution
- Step 1: Write the proportion equation
5,432,888,989.80 : 8,149,333,484.70 = 4,344,497,821.80 : x - Step 2: Convert to fraction form
5,432,888,989.80/8,149,333,484.70 = 4,344,497,821.80/x - Step 3: Cross multiply
5,432,888,989.80x = 8,149,333,484.70 × 4,344,497,821.80 - Step 4: Simplify right side
5,432,888,989.80x = 35,404,761,573,400,952,832 - Step 5: Solve for x
x = 35,404,761,573,400,952,832/5,432,888,989.80 - Step 6: Final answer
x = 6,516,746,732.70
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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.