Finding the Fourth Proportional to 731,246,202.27, 1,009,121,675.46 and 396,718,707.42
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Solution
The fourth proportional to 731,246,202.27, 1,009,121,675.46 and 396,718,707.42 is: 547,472,855.89
Step by Step Solution
- Step 1: Write the proportion equation
731,246,202.27 : 1,009,121,675.46 = 396,718,707.42 : x - Step 2: Convert to fraction form
731,246,202.27/1,009,121,675.46 = 396,718,707.42/x - Step 3: Cross multiply
731,246,202.27x = 1,009,121,675.46 × 396,718,707.42 - Step 4: Simplify right side
731,246,202.27x = 400,337,446,717,995,968 - Step 5: Solve for x
x = 400,337,446,717,995,968/731,246,202.27 - Step 6: Final answer
x = 547,472,855.89
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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.