Finding the Fourth Proportional to 731,246,168.06, 1,009,121,628.26 and 396,718,673.18
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Solution
The fourth proportional to 731,246,168.06, 1,009,121,628.26 and 396,718,673.18 is: 547,472,808.64
Step by Step Solution
- Step 1: Write the proportion equation
731,246,168.06 : 1,009,121,628.26 = 396,718,673.18 : x - Step 2: Convert to fraction form
731,246,168.06/1,009,121,628.26 = 396,718,673.18/x - Step 3: Cross multiply
731,246,168.06x = 1,009,121,628.26 × 396,718,673.18 - Step 4: Simplify right side
731,246,168.06x = 400,337,393,433,519,232 - Step 5: Solve for x
x = 400,337,393,433,519,232/731,246,168.06 - Step 6: Final answer
x = 547,472,808.64
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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.