Finding the Fourth Proportional to 657,751,633.68, 986,304,599.68 and 325,374,616.92
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Solution
The fourth proportional to 657,751,633.68, 986,304,599.68 and 325,374,616.92 is: 487,902,218.49
Step by Step Solution
- Step 1: Write the proportion equation
657,751,633.68 : 986,304,599.68 = 325,374,616.92 : x - Step 2: Convert to fraction form
657,751,633.68/986,304,599.68 = 325,374,616.92/x - Step 3: Cross multiply
657,751,633.68x = 986,304,599.68 × 325,374,616.92 - Step 4: Simplify right side
657,751,633.68x = 320,918,481,287,313,984 - Step 5: Solve for x
x = 320,918,481,287,313,984/657,751,633.68 - Step 6: Final answer
x = 487,902,218.49
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1.5x scale
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.