Finding the Fourth Proportional to 352,643,489.70, 528,970,511.43 and 134,305,890.18
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Solution
The fourth proportional to 352,643,489.70, 528,970,511.43 and 134,305,890.18 is: 201,460,844.99
Step by Step Solution
- Step 1: Write the proportion equation
352,643,489.70 : 528,970,511.43 = 134,305,890.18 : x - Step 2: Convert to fraction form
352,643,489.70/528,970,511.43 = 134,305,890.18/x - Step 3: Cross multiply
352,643,489.70x = 528,970,511.43 × 134,305,890.18 - Step 4: Simplify right side
352,643,489.70x = 71,043,855,416,576,016 - Step 5: Solve for x
x = 71,043,855,416,576,016/352,643,489.70 - Step 6: Final answer
x = 201,460,844.99
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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.