Finding the Fourth Proportional to 352,294,276.20, 528,441,414.30 and 255,044,509.80
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Solution
The fourth proportional to 352,294,276.20, 528,441,414.30 and 255,044,509.80 is: 382,566,764.70
Step by Step Solution
- Step 1: Write the proportion equation
352,294,276.20 : 528,441,414.30 = 255,044,509.80 : x - Step 2: Convert to fraction form
352,294,276.20/528,441,414.30 = 255,044,509.80/x - Step 3: Cross multiply
352,294,276.20x = 528,441,414.30 × 255,044,509.80 - Step 4: Simplify right side
352,294,276.20x = 134,776,081,468,162,224 - Step 5: Solve for x
x = 134,776,081,468,162,224/352,294,276.20 - Step 6: Final answer
x = 382,566,764.70
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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.