Finding the Fourth Proportional to 590,582,698.21, 885,668,888.49 and 328,666,943.98
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Solution
The fourth proportional to 590,582,698.21, 885,668,888.49 and 328,666,943.98 is: 492,886,242.42
Step by Step Solution
- Step 1: Write the proportion equation
590,582,698.21 : 885,668,888.49 = 328,666,943.98 : x - Step 2: Convert to fraction form
590,582,698.21/885,668,888.49 = 328,666,943.98/x - Step 3: Cross multiply
590,582,698.21x = 885,668,888.49 × 328,666,943.98 - Step 4: Simplify right side
590,582,698.21x = 291,090,086,958,171,712 - Step 5: Solve for x
x = 291,090,086,958,171,712/590,582,698.21 - Step 6: Final answer
x = 492,886,242.42
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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.