Finding the Fourth Proportional to 4,905,887,887.92, 6,770,090,844.92 and 2,678,220,076.08
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Solution
The fourth proportional to 4,905,887,887.92, 6,770,090,844.92 and 2,678,220,076.08 is: 3,695,924,903.30
Step by Step Solution
- Step 1: Write the proportion equation
4,905,887,887.92 : 6,770,090,844.92 = 2,678,220,076.08 : x - Step 2: Convert to fraction form
4,905,887,887.92/6,770,090,844.92 = 2,678,220,076.08/x - Step 3: Cross multiply
4,905,887,887.92x = 6,770,090,844.92 × 2,678,220,076.08 - Step 4: Simplify right side
4,905,887,887.92x = 18,131,793,217,750,153,216 - Step 5: Solve for x
x = 18,131,793,217,750,153,216/4,905,887,887.92 - Step 6: Final answer
x = 3,695,924,903.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.