Finding the Fourth Proportional to 288,304,542.63, 397,895,225.40 and 162,862,028.01
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Solution
The fourth proportional to 288,304,542.63, 397,895,225.40 and 162,862,028.01 is: 224,769,345.47
Step by Step Solution
- Step 1: Write the proportion equation
288,304,542.63 : 397,895,225.40 = 162,862,028.01 : x - Step 2: Convert to fraction form
288,304,542.63/397,895,225.40 = 162,862,028.01/x - Step 3: Cross multiply
288,304,542.63x = 397,895,225.40 × 162,862,028.01 - Step 4: Simplify right side
288,304,542.63x = 64,802,023,344,140,056 - Step 5: Solve for x
x = 64,802,023,344,140,056/288,304,542.63 - Step 6: Final answer
x = 224,769,345.47
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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.