Finding the Fourth Proportional to 389,929,266,561.40, 584,933,977,905.24 and 134,958,233,852.13
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Solution
The fourth proportional to 389,929,266,561.40, 584,933,977,905.24 and 134,958,233,852.13 is: 202,451,222,177.66
Step by Step Solution
- Step 1: Write the proportion equation
389,929,266,561.40 : 584,933,977,905.24 = 134,958,233,852.13 : x - Step 2: Convert to fraction form
389,929,266,561.40/584,933,977,905.24 = 134,958,233,852.13/x - Step 3: Cross multiply
389,929,266,561.40x = 584,933,977,905.24 × 134,958,233,852.13 - Step 4: Simplify right side
389,929,266,561.40x = 78,941,656,578,192,020,865,024 - Step 5: Solve for x
x = 78,941,656,578,192,020,865,024/389,929,266,561.40 - Step 6: Final answer
x = 202,451,222,177.66
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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.