Finding the Fourth Proportional to 514,268,434.68, 709,686,537.12 and 279,320,776.62
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Solution
The fourth proportional to 514,268,434.68, 709,686,537.12 and 279,320,776.62 is: 385,460,551.99
Step by Step Solution
- Step 1: Write the proportion equation
514,268,434.68 : 709,686,537.12 = 279,320,776.62 : x - Step 2: Convert to fraction form
514,268,434.68/709,686,537.12 = 279,320,776.62/x - Step 3: Cross multiply
514,268,434.68x = 709,686,537.12 × 279,320,776.62 - Step 4: Simplify right side
514,268,434.68x = 198,230,194,705,116,864 - Step 5: Solve for x
x = 198,230,194,705,116,864/514,268,434.68 - Step 6: Final answer
x = 385,460,551.99
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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.