Finding the Fourth Proportional to 307,840,812.24, 462,497,876.94 and 197,392,874.73
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Solution
The fourth proportional to 307,840,812.24, 462,497,876.94 and 197,392,874.73 is: 296,561,670.37
Step by Step Solution
- Step 1: Write the proportion equation
307,840,812.24 : 462,497,876.94 = 197,392,874.73 : x - Step 2: Convert to fraction form
307,840,812.24/462,497,876.94 = 197,392,874.73/x - Step 3: Cross multiply
307,840,812.24x = 462,497,876.94 × 197,392,874.73 - Step 4: Simplify right side
307,840,812.24x = 91,293,785,485,708,368 - Step 5: Solve for x
x = 91,293,785,485,708,368/307,840,812.24 - Step 6: Final answer
x = 296,561,670.37
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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.