Finding the Fourth Proportional to 802,842,478.99, 1,107,832,761.31 and 445,625,313.84
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Solution
The fourth proportional to 802,842,478.99, 1,107,832,761.31 and 445,625,313.84 is: 614,913,055.62
Step by Step Solution
- Step 1: Write the proportion equation
802,842,478.99 : 1,107,832,761.31 = 445,625,313.84 : x - Step 2: Convert to fraction form
802,842,478.99/1,107,832,761.31 = 445,625,313.84/x - Step 3: Cross multiply
802,842,478.99x = 1,107,832,761.31 × 445,625,313.84 - Step 4: Simplify right side
802,842,478.99x = 493,678,321,941,002,496 - Step 5: Solve for x
x = 493,678,321,941,002,496/802,842,478.99 - Step 6: Final answer
x = 614,913,055.62
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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.