Finding the Fourth Proportional to 559,918,114.80, 839,765,197.80 and 268,784,674.80
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Solution
The fourth proportional to 559,918,114.80, 839,765,197.80 and 268,784,674.80 is: 403,123,259.69
Step by Step Solution
- Step 1: Write the proportion equation
559,918,114.80 : 839,765,197.80 = 268,784,674.80 : x - Step 2: Convert to fraction form
559,918,114.80/839,765,197.80 = 268,784,674.80/x - Step 3: Cross multiply
559,918,114.80x = 839,765,197.80 × 268,784,674.80 - Step 4: Simplify right side
559,918,114.80x = 225,716,015,599,030,688 - Step 5: Solve for x
x = 225,716,015,599,030,688/559,918,114.80 - Step 6: Final answer
x = 403,123,259.69
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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.