Finding the Fourth Proportional to 612,355,644.60, 918,530,837.03 and 169,697,052.99
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Solution
The fourth proportional to 612,355,644.60, 918,530,837.03 and 169,697,052.99 is: 254,544,850.69
Step by Step Solution
- Step 1: Write the proportion equation
612,355,644.60 : 918,530,837.03 = 169,697,052.99 : x - Step 2: Convert to fraction form
612,355,644.60/918,530,837.03 = 169,697,052.99/x - Step 3: Cross multiply
612,355,644.60x = 918,530,837.03 × 169,697,052.99 - Step 4: Simplify right side
612,355,644.60x = 155,871,976,123,580,480 - Step 5: Solve for x
x = 155,871,976,123,580,480/612,355,644.60 - Step 6: Final answer
x = 254,544,850.69
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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.