Finding the Fourth Proportional to 756,716,818.88, 1,044,268,748.16 and 409,036,306.88
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Solution
The fourth proportional to 756,716,818.88, 1,044,268,748.16 and 409,036,306.88 is: 564,469,853.82
Step by Step Solution
- Step 1: Write the proportion equation
756,716,818.88 : 1,044,268,748.16 = 409,036,306.88 : x - Step 2: Convert to fraction form
756,716,818.88/1,044,268,748.16 = 409,036,306.88/x - Step 3: Cross multiply
756,716,818.88x = 1,044,268,748.16 × 409,036,306.88 - Step 4: Simplify right side
756,716,818.88x = 427,143,832,137,567,168 - Step 5: Solve for x
x = 427,143,832,137,567,168/756,716,818.88 - Step 6: Final answer
x = 564,469,853.82
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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.