Finding the Fourth Proportional to 396,756,540.80, 594,569,622.06 and 292,304,305.46
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Solution
The fourth proportional to 396,756,540.80, 594,569,622.06 and 292,304,305.46 is: 438,040,063.75
Step by Step Solution
- Step 1: Write the proportion equation
396,756,540.80 : 594,569,622.06 = 292,304,305.46 : x - Step 2: Convert to fraction form
396,756,540.80/594,569,622.06 = 292,304,305.46/x - Step 3: Cross multiply
396,756,540.80x = 594,569,622.06 × 292,304,305.46 - Step 4: Simplify right side
396,756,540.80x = 173,795,260,423,862,976 - Step 5: Solve for x
x = 173,795,260,423,862,976/396,756,540.80 - Step 6: Final answer
x = 438,040,063.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.