Finding the Fourth Proportional to 5,432,888,463.30, 8,149,332,694.95 and 4,344,497,295.30
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Solution
The fourth proportional to 5,432,888,463.30, 8,149,332,694.95 and 4,344,497,295.30 is: 6,516,745,942.95
Step by Step Solution
- Step 1: Write the proportion equation
5,432,888,463.30 : 8,149,332,694.95 = 4,344,497,295.30 : x - Step 2: Convert to fraction form
5,432,888,463.30/8,149,332,694.95 = 4,344,497,295.30/x - Step 3: Cross multiply
5,432,888,463.30x = 8,149,332,694.95 × 4,344,497,295.30 - Step 4: Simplify right side
5,432,888,463.30x = 35,404,753,851,710,136,320 - Step 5: Solve for x
x = 35,404,753,851,710,136,320/5,432,888,463.30 - Step 6: Final answer
x = 6,516,745,942.95
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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.