Finding the Fourth Proportional to 263,263,116.30, 394,894,674.45 and 186,735,612.30
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Solution
The fourth proportional to 263,263,116.30, 394,894,674.45 and 186,735,612.30 is: 280,103,418.45
Step by Step Solution
- Step 1: Write the proportion equation
263,263,116.30 : 394,894,674.45 = 186,735,612.30 : x - Step 2: Convert to fraction form
263,263,116.30/394,894,674.45 = 186,735,612.30/x - Step 3: Cross multiply
263,263,116.30x = 394,894,674.45 × 186,735,612.30 - Step 4: Simplify right side
263,263,116.30x = 73,740,898,827,429,920 - Step 5: Solve for x
x = 73,740,898,827,429,920/263,263,116.30 - Step 6: Final answer
x = 280,103,418.45
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1.5x scale
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.