Finding the Fourth Proportional to 5,070,279,563.40, 6,988,901,219.73 and 3,996,832,350.27
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Solution
The fourth proportional to 5,070,279,563.40, 6,988,901,219.73 and 3,996,832,350.27 is: 5,509,255,680.79
Step by Step Solution
- Step 1: Write the proportion equation
5,070,279,563.40 : 6,988,901,219.73 = 3,996,832,350.27 : x - Step 2: Convert to fraction form
5,070,279,563.40/6,988,901,219.73 = 3,996,832,350.27/x - Step 3: Cross multiply
5,070,279,563.40x = 6,988,901,219.73 × 3,996,832,350.27 - Step 4: Simplify right side
5,070,279,563.40x = 27,933,466,487,858,323,456 - Step 5: Solve for x
x = 27,933,466,487,858,323,456/5,070,279,563.40 - Step 6: Final answer
x = 5,509,255,680.79
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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.