Finding the Fourth Proportional to 664,272,676.40, 996,409,014.60 and 295,806,916.40
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Solution
The fourth proportional to 664,272,676.40, 996,409,014.60 and 295,806,916.40 is: 443,710,374.60
Step by Step Solution
- Step 1: Write the proportion equation
664,272,676.40 : 996,409,014.60 = 295,806,916.40 : x - Step 2: Convert to fraction form
664,272,676.40/996,409,014.60 = 295,806,916.40/x - Step 3: Cross multiply
664,272,676.40x = 996,409,014.60 × 295,806,916.40 - Step 4: Simplify right side
664,272,676.40x = 294,744,678,081,988,544 - Step 5: Solve for x
x = 294,744,678,081,988,544/664,272,676.40 - Step 6: Final answer
x = 443,710,374.60
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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.