Finding the Fourth Proportional to 6,279,946,189.74, 8,666,383,855.28 and 3,460,655,003.31
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Solution
The fourth proportional to 6,279,946,189.74, 8,666,383,855.28 and 3,460,655,003.31 is: 4,775,735,928.81
Step by Step Solution
- Step 1: Write the proportion equation
6,279,946,189.74 : 8,666,383,855.28 = 3,460,655,003.31 : x - Step 2: Convert to fraction form
6,279,946,189.74/8,666,383,855.28 = 3,460,655,003.31/x - Step 3: Cross multiply
6,279,946,189.74x = 8,666,383,855.28 × 3,460,655,003.31 - Step 4: Simplify right side
6,279,946,189.74x = 29,991,364,649,362,432,000 - Step 5: Solve for x
x = 29,991,364,649,362,432,000/6,279,946,189.74 - Step 6: Final answer
x = 4,775,735,928.81
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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.