Finding the Fourth Proportional to 339,287,309.31, 468,254,399.99 and 205,398,996.08
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Solution
The fourth proportional to 339,287,309.31, 468,254,399.99 and 205,398,996.08 is: 283,473,566.57
Step by Step Solution
- Step 1: Write the proportion equation
339,287,309.31 : 468,254,399.99 = 205,398,996.08 : x - Step 2: Convert to fraction form
339,287,309.31/468,254,399.99 = 205,398,996.08/x - Step 3: Cross multiply
339,287,309.31x = 468,254,399.99 × 205,398,996.08 - Step 4: Simplify right side
339,287,309.31x = 96,178,983,664,620,496 - Step 5: Solve for x
x = 96,178,983,664,620,496/339,287,309.31 - Step 6: Final answer
x = 283,473,566.57
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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.