Finding the Fourth Proportional to 5,717,868,935.94, 7,890,850,735.08 and 3,177,657,950.30
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Solution
The fourth proportional to 5,717,868,935.94, 7,890,850,735.08 and 3,177,657,950.30 is: 4,385,274,453.45
Step by Step Solution
- Step 1: Write the proportion equation
5,717,868,935.94 : 7,890,850,735.08 = 3,177,657,950.30 : x - Step 2: Convert to fraction form
5,717,868,935.94/7,890,850,735.08 = 3,177,657,950.30/x - Step 3: Cross multiply
5,717,868,935.94x = 7,890,850,735.08 × 3,177,657,950.30 - Step 4: Simplify right side
5,717,868,935.94x = 25,074,424,572,957,560,832 - Step 5: Solve for x
x = 25,074,424,572,957,560,832/5,717,868,935.94 - Step 6: Final answer
x = 4,385,274,453.45
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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.