Finding the Fourth Proportional to 3,507,558,910.48, 4,840,430,573.64 and 1,921,707,122.32
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Solution
The fourth proportional to 3,507,558,910.48, 4,840,430,573.64 and 1,921,707,122.32 is: 2,651,955,432.78
Step by Step Solution
- Step 1: Write the proportion equation
3,507,558,910.48 : 4,840,430,573.64 = 1,921,707,122.32 : x - Step 2: Convert to fraction form
3,507,558,910.48/4,840,430,573.64 = 1,921,707,122.32/x - Step 3: Cross multiply
3,507,558,910.48x = 4,840,430,573.64 × 1,921,707,122.32 - Step 4: Simplify right side
3,507,558,910.48x = 9,301,889,908,459,470,848 - Step 5: Solve for x
x = 9,301,889,908,459,470,848/3,507,558,910.48 - Step 6: Final answer
x = 2,651,955,432.78
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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.