Finding the Fourth Proportional to 286,100,212.41, 428,524,636.55 and 202,849,616.88
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Solution
The fourth proportional to 286,100,212.41, 428,524,636.55 and 202,849,616.88 is: 303,830,806.75
Step by Step Solution
- Step 1: Write the proportion equation
286,100,212.41 : 428,524,636.55 = 202,849,616.88 : x - Step 2: Convert to fraction form
286,100,212.41/428,524,636.55 = 202,849,616.88/x - Step 3: Cross multiply
286,100,212.41x = 428,524,636.55 × 202,849,616.88 - Step 4: Simplify right side
286,100,212.41x = 86,926,058,346,794,496 - Step 5: Solve for x
x = 86,926,058,346,794,496/286,100,212.41 - Step 6: Final answer
x = 303,830,806.75
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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.