Finding the Fourth Proportional to 415,571,366.42, 573,463,251.60 and 236,930,276.59
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Solution
The fourth proportional to 415,571,366.42, 573,463,251.60 and 236,930,276.59 is: 326,949,394.97
Step by Step Solution
- Step 1: Write the proportion equation
415,571,366.42 : 573,463,251.60 = 236,930,276.59 : x - Step 2: Convert to fraction form
415,571,366.42/573,463,251.60 = 236,930,276.59/x - Step 3: Cross multiply
415,571,366.42x = 573,463,251.60 × 236,930,276.59 - Step 4: Simplify right side
415,571,366.42x = 135,870,806,818,686,784 - Step 5: Solve for x
x = 135,870,806,818,686,784/415,571,366.42 - Step 6: Final answer
x = 326,949,394.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.