Finding the Fourth Proportional to 738,357,372.96, 1,107,451,456.56 and 193,151,531.04
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Solution
The fourth proportional to 738,357,372.96, 1,107,451,456.56 and 193,151,531.04 is: 289,705,164.76
Step by Step Solution
- Step 1: Write the proportion equation
738,357,372.96 : 1,107,451,456.56 = 193,151,531.04 : x - Step 2: Convert to fraction form
738,357,372.96/1,107,451,456.56 = 193,151,531.04/x - Step 3: Cross multiply
738,357,372.96x = 1,107,451,456.56 × 193,151,531.04 - Step 4: Simplify right side
738,357,372.96x = 213,905,944,387,042,016 - Step 5: Solve for x
x = 213,905,944,387,042,016/738,357,372.96 - Step 6: Final answer
x = 289,705,164.76
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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.