Finding the Fourth Proportional to 484,493,553.70, 726,740,330.55 and 238,967,811.70
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Solution
The fourth proportional to 484,493,553.70, 726,740,330.55 and 238,967,811.70 is: 358,451,717.55
Step by Step Solution
- Step 1: Write the proportion equation
484,493,553.70 : 726,740,330.55 = 238,967,811.70 : x - Step 2: Convert to fraction form
484,493,553.70/726,740,330.55 = 238,967,811.70/x - Step 3: Cross multiply
484,493,553.70x = 726,740,330.55 × 238,967,811.70 - Step 4: Simplify right side
484,493,553.70x = 173,667,546,465,668,128 - Step 5: Solve for x
x = 173,667,546,465,668,128/484,493,553.70 - Step 6: Final answer
x = 358,451,717.55
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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.