Finding the Fourth Proportional to 307,840,785.05, 462,497,836.14 and 197,392,847.48
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Solution
The fourth proportional to 307,840,785.05, 462,497,836.14 and 197,392,847.48 is: 296,561,629.46
Step by Step Solution
- Step 1: Write the proportion equation
307,840,785.05 : 462,497,836.14 = 197,392,847.48 : x - Step 2: Convert to fraction form
307,840,785.05/462,497,836.14 = 197,392,847.48/x - Step 3: Cross multiply
307,840,785.05x = 462,497,836.14 × 197,392,847.48 - Step 4: Simplify right side
307,840,785.05x = 91,293,764,829,013,040 - Step 5: Solve for x
x = 91,293,764,829,013,040/307,840,785.05 - Step 6: Final answer
x = 296,561,629.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.