Finding the Fourth Proportional to 263,263,125.80, 394,894,688.70 and 186,735,621.80
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Solution
The fourth proportional to 263,263,125.80, 394,894,688.70 and 186,735,621.80 is: 280,103,432.70
Step by Step Solution
- Step 1: Write the proportion equation
263,263,125.80 : 394,894,688.70 = 186,735,621.80 : x - Step 2: Convert to fraction form
263,263,125.80/394,894,688.70 = 186,735,621.80/x - Step 3: Cross multiply
263,263,125.80x = 394,894,688.70 × 186,735,621.80 - Step 4: Simplify right side
263,263,125.80x = 73,740,905,239,911,936 - Step 5: Solve for x
x = 73,740,905,239,911,936/263,263,125.80 - Step 6: Final answer
x = 280,103,432.70
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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.