Finding the Fourth Proportional to 585,207,810.20, 806,805,532.43 and 464,904,962.85
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Solution
The fourth proportional to 585,207,810.20, 806,805,532.43 and 464,904,962.85 is: 640,948,205.99
Step by Step Solution
- Step 1: Write the proportion equation
585,207,810.20 : 806,805,532.43 = 464,904,962.85 : x - Step 2: Convert to fraction form
585,207,810.20/806,805,532.43 = 464,904,962.85/x - Step 3: Cross multiply
585,207,810.20x = 806,805,532.43 × 464,904,962.85 - Step 4: Simplify right side
585,207,810.20x = 375,087,896,079,557,056 - Step 5: Solve for x
x = 375,087,896,079,557,056/585,207,810.20 - Step 6: Final answer
x = 640,948,205.99
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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.