Finding the Fourth Proportional to 5,153,197,630.61, 7,715,395,134.74 and 2,783,870,232.68
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Solution
The fourth proportional to 5,153,197,630.61, 7,715,395,134.74 and 2,783,870,232.68 is: 4,168,025,445.28
Step by Step Solution
- Step 1: Write the proportion equation
5,153,197,630.61 : 7,715,395,134.74 = 2,783,870,232.68 : x - Step 2: Convert to fraction form
5,153,197,630.61/7,715,395,134.74 = 2,783,870,232.68/x - Step 3: Cross multiply
5,153,197,630.61x = 7,715,395,134.74 × 2,783,870,232.68 - Step 4: Simplify right side
5,153,197,630.61x = 21,478,658,848,955,899,904 - Step 5: Solve for x
x = 21,478,658,848,955,899,904/5,153,197,630.61 - Step 6: Final answer
x = 4,168,025,445.28
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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.