Finding the Fourth Proportional to 411,842,994.53, 568,378,382.87 and 233,258,649.53
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Solution
The fourth proportional to 411,842,994.53, 568,378,382.87 and 233,258,649.53 is: 321,916,788.12
Step by Step Solution
- Step 1: Write the proportion equation
411,842,994.53 : 568,378,382.87 = 233,258,649.53 : x - Step 2: Convert to fraction form
411,842,994.53/568,378,382.87 = 233,258,649.53/x - Step 3: Cross multiply
411,842,994.53x = 568,378,382.87 × 233,258,649.53 - Step 4: Simplify right side
411,842,994.53x = 132,579,174,008,042,736 - Step 5: Solve for x
x = 132,579,174,008,042,736/411,842,994.53 - Step 6: Final answer
x = 321,916,788.12
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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.