Finding the Fourth Proportional to 585,081,907.46, 807,412,837.99 and 320,758,225.40
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Solution
The fourth proportional to 585,081,907.46, 807,412,837.99 and 320,758,225.40 is: 442,646,244.52
Step by Step Solution
- Step 1: Write the proportion equation
585,081,907.46 : 807,412,837.99 = 320,758,225.40 : x - Step 2: Convert to fraction form
585,081,907.46/807,412,837.99 = 320,758,225.40/x - Step 3: Cross multiply
585,081,907.46x = 807,412,837.99 × 320,758,225.40 - Step 4: Simplify right side
585,081,907.46x = 258,984,309,077,162,496 - Step 5: Solve for x
x = 258,984,309,077,162,496/585,081,907.46 - Step 6: Final answer
x = 442,646,244.52
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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.