Finding the Fourth Proportional to 307,847,548.05, 424,824,365.45 and 166,717,622.13
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Solution
The fourth proportional to 307,847,548.05, 424,824,365.45 and 166,717,622.13 is: 230,067,474.89
Step by Step Solution
- Step 1: Write the proportion equation
307,847,548.05 : 424,824,365.45 = 166,717,622.13 : x - Step 2: Convert to fraction form
307,847,548.05/424,824,365.45 = 166,717,622.13/x - Step 3: Cross multiply
307,847,548.05x = 424,824,365.45 × 166,717,622.13 - Step 4: Simplify right side
307,847,548.05x = 70,825,708,029,002,800 - Step 5: Solve for x
x = 70,825,708,029,002,800/307,847,548.05 - Step 6: Final answer
x = 230,067,474.89
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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.