Finding the Fourth Proportional to 5,432,889,138.30, 8,149,333,707.45 and 4,344,497,970.30
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Solution
The fourth proportional to 5,432,889,138.30, 8,149,333,707.45 and 4,344,497,970.30 is: 6,516,746,955.45
Step by Step Solution
- Step 1: Write the proportion equation
5,432,889,138.30 : 8,149,333,707.45 = 4,344,497,970.30 : x - Step 2: Convert to fraction form
5,432,889,138.30/8,149,333,707.45 = 4,344,497,970.30/x - Step 3: Cross multiply
5,432,889,138.30x = 8,149,333,707.45 × 4,344,497,970.30 - Step 4: Simplify right side
5,432,889,138.30x = 35,404,763,751,313,899,520 - Step 5: Solve for x
x = 35,404,763,751,313,899,520/5,432,889,138.30 - Step 6: Final answer
x = 6,516,746,955.45
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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.