Finding the Fourth Proportional to 389,667,694.56, 584,496,664.68 and 94,565,258.70
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Solution
The fourth proportional to 389,667,694.56, 584,496,664.68 and 94,565,258.70 is: 141,846,704.45
Step by Step Solution
- Step 1: Write the proportion equation
389,667,694.56 : 584,496,664.68 = 94,565,258.70 : x - Step 2: Convert to fraction form
389,667,694.56/584,496,664.68 = 94,565,258.70/x - Step 3: Cross multiply
389,667,694.56x = 584,496,664.68 × 94,565,258.70 - Step 4: Simplify right side
389,667,694.56x = 55,273,078,304,751,352 - Step 5: Solve for x
x = 55,273,078,304,751,352/389,667,694.56 - Step 6: Final answer
x = 141,846,704.45
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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.