Finding the Fourth Proportional to 512,095,672.80, 768,143,509.20 and 382,955,509.80
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Solution
The fourth proportional to 512,095,672.80, 768,143,509.20 and 382,955,509.80 is: 574,433,264.70
Step by Step Solution
- Step 1: Write the proportion equation
512,095,672.80 : 768,143,509.20 = 382,955,509.80 : x - Step 2: Convert to fraction form
512,095,672.80/768,143,509.20 = 382,955,509.80/x - Step 3: Cross multiply
512,095,672.80x = 768,143,509.20 × 382,955,509.80 - Step 4: Simplify right side
512,095,672.80x = 294,164,789,165,247,040 - Step 5: Solve for x
x = 294,164,789,165,247,040/512,095,672.80 - Step 6: Final answer
x = 574,433,264.70
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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.