Finding the Fourth Proportional to 418,528,172.58, 627,218,302.56 and 264,899,995.62
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Solution
The fourth proportional to 418,528,172.58, 627,218,302.56 and 264,899,995.62 is: 396,986,717.95
Step by Step Solution
- Step 1: Write the proportion equation
418,528,172.58 : 627,218,302.56 = 264,899,995.62 : x - Step 2: Convert to fraction form
418,528,172.58/627,218,302.56 = 264,899,995.62/x - Step 3: Cross multiply
418,528,172.58x = 627,218,302.56 × 264,899,995.62 - Step 4: Simplify right side
418,528,172.58x = 166,150,125,600,927,808 - Step 5: Solve for x
x = 166,150,125,600,927,808/418,528,172.58 - Step 6: Final answer
x = 396,986,717.95
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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.