Finding the Fourth Proportional to 298,938,207.26, 412,534,982.87 and 166,779,224.28
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Solution
The fourth proportional to 298,938,207.26, 412,534,982.87 and 166,779,224.28 is: 230,155,472.81
Step by Step Solution
- Step 1: Write the proportion equation
298,938,207.26 : 412,534,982.87 = 166,779,224.28 : x - Step 2: Convert to fraction form
298,938,207.26/412,534,982.87 = 166,779,224.28/x - Step 3: Cross multiply
298,938,207.26x = 412,534,982.87 × 166,779,224.28 - Step 4: Simplify right side
298,938,207.26x = 68,802,264,431,421,688 - Step 5: Solve for x
x = 68,802,264,431,421,688/298,938,207.26 - Step 6: Final answer
x = 230,155,472.81
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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.