Finding the Fourth Proportional to 1,693,670,489.94, 2,539,633,433.53 and 760,193,090.97
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Solution
The fourth proportional to 1,693,670,489.94, 2,539,633,433.53 and 760,193,090.97 is: 1,139,898,109.60
Step by Step Solution
- Step 1: Write the proportion equation
1,693,670,489.94 : 2,539,633,433.53 = 760,193,090.97 : x - Step 2: Convert to fraction form
1,693,670,489.94/2,539,633,433.53 = 760,193,090.97/x - Step 3: Cross multiply
1,693,670,489.94x = 2,539,633,433.53 × 760,193,090.97 - Step 4: Simplify right side
1,693,670,489.94x = 1,930,611,789,765,924,864 - Step 5: Solve for x
x = 1,930,611,789,765,924,864/1,693,670,489.94 - Step 6: Final answer
x = 1,139,898,109.60
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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.