Finding the Fourth Proportional to 307,840,750.05, 462,497,783.48 and 197,392,812.40
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Solution
The fourth proportional to 307,840,750.05, 462,497,783.48 and 197,392,812.40 is: 296,561,576.70
Step by Step Solution
- Step 1: Write the proportion equation
307,840,750.05 : 462,497,783.48 = 197,392,812.40 : x - Step 2: Convert to fraction form
307,840,750.05/462,497,783.48 = 197,392,812.40/x - Step 3: Cross multiply
307,840,750.05x = 462,497,783.48 × 197,392,812.40 - Step 4: Simplify right side
307,840,750.05x = 91,293,738,206,584,016 - Step 5: Solve for x
x = 91,293,738,206,584,016/307,840,750.05 - Step 6: Final answer
x = 296,561,576.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.