Finding the Fourth Proportional to 545,223,425.40, 817,835,138.10 and 327,545,191.80
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Solution
The fourth proportional to 545,223,425.40, 817,835,138.10 and 327,545,191.80 is: 491,317,787.70
Step by Step Solution
- Step 1: Write the proportion equation
545,223,425.40 : 817,835,138.10 = 327,545,191.80 : x - Step 2: Convert to fraction form
545,223,425.40/817,835,138.10 = 327,545,191.80/x - Step 3: Cross multiply
545,223,425.40x = 817,835,138.10 × 327,545,191.80 - Step 4: Simplify right side
545,223,425.40x = 267,877,967,169,744,000 - Step 5: Solve for x
x = 267,877,967,169,744,000/545,223,425.40 - Step 6: Final answer
x = 491,317,787.70
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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.