Finding the Fourth Proportional to 559,960,453.80, 839,940,680.70 and 457,923,781.80
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Solution
The fourth proportional to 559,960,453.80, 839,940,680.70 and 457,923,781.80 is: 686,885,672.70
Step by Step Solution
- Step 1: Write the proportion equation
559,960,453.80 : 839,940,680.70 = 457,923,781.80 : x - Step 2: Convert to fraction form
559,960,453.80/839,940,680.70 = 457,923,781.80/x - Step 3: Cross multiply
559,960,453.80x = 839,940,680.70 × 457,923,781.80 - Step 4: Simplify right side
559,960,453.80x = 384,628,812,993,810,304 - Step 5: Solve for x
x = 384,628,812,993,810,304/559,960,453.80 - Step 6: Final answer
x = 686,885,672.70
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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.