Finding the Fourth Proportional to 657,751,632.68, 986,304,598.18 and 325,374,615.92
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Solution
The fourth proportional to 657,751,632.68, 986,304,598.18 and 325,374,615.92 is: 487,902,216.99
Step by Step Solution
- Step 1: Write the proportion equation
657,751,632.68 : 986,304,598.18 = 325,374,615.92 : x - Step 2: Convert to fraction form
657,751,632.68/986,304,598.18 = 325,374,615.92/x - Step 3: Cross multiply
657,751,632.68x = 986,304,598.18 × 325,374,615.92 - Step 4: Simplify right side
657,751,632.68x = 320,918,479,812,947,456 - Step 5: Solve for x
x = 320,918,479,812,947,456/657,751,632.68 - Step 6: Final answer
x = 487,902,216.99
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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.