Finding the Fourth Proportional to 5,824,529,138.40, 8,736,793,707.60 and 2,143,272,760.80
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Solution
The fourth proportional to 5,824,529,138.40, 8,736,793,707.60 and 2,143,272,760.80 is: 3,214,909,141.20
Step by Step Solution
- Step 1: Write the proportion equation
5,824,529,138.40 : 8,736,793,707.60 = 2,143,272,760.80 : x - Step 2: Convert to fraction form
5,824,529,138.40/8,736,793,707.60 = 2,143,272,760.80/x - Step 3: Cross multiply
5,824,529,138.40x = 8,736,793,707.60 × 2,143,272,760.80 - Step 4: Simplify right side
5,824,529,138.40x = 18,725,331,970,227,920,896 - Step 5: Solve for x
x = 18,725,331,970,227,920,896/5,824,529,138.40 - Step 6: Final answer
x = 3,214,909,141.20
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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.