Finding the Fourth Proportional to 756,993,044.97, 1,044,606,817.12 and 422,439,310.20
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Solution
The fourth proportional to 756,993,044.97, 1,044,606,817.12 and 422,439,310.20 is: 582,941,925.53
Step by Step Solution
- Step 1: Write the proportion equation
756,993,044.97 : 1,044,606,817.12 = 422,439,310.20 : x - Step 2: Convert to fraction form
756,993,044.97/1,044,606,817.12 = 422,439,310.20/x - Step 3: Cross multiply
756,993,044.97x = 1,044,606,817.12 × 422,439,310.20 - Step 4: Simplify right side
756,993,044.97x = 441,282,983,249,416,960 - Step 5: Solve for x
x = 441,282,983,249,416,960/756,993,044.97 - Step 6: Final answer
x = 582,941,925.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.