Finding the Fourth Proportional to 466,148,025.63, 643,284,338.36 and 257,304,207.69
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Solution
The fourth proportional to 466,148,025.63, 643,284,338.36 and 257,304,207.69 is: 355,079,841.38
Step by Step Solution
- Step 1: Write the proportion equation
466,148,025.63 : 643,284,338.36 = 257,304,207.69 : x - Step 2: Convert to fraction form
466,148,025.63/643,284,338.36 = 257,304,207.69/x - Step 3: Cross multiply
466,148,025.63x = 643,284,338.36 × 257,304,207.69 - Step 4: Simplify right side
466,148,025.63x = 165,519,766,999,819,168 - Step 5: Solve for x
x = 165,519,766,999,819,168/466,148,025.63 - Step 6: Final answer
x = 355,079,841.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.