Finding the Fourth Proportional to 5,717,868,932.44, 7,890,850,730.25 and 3,177,657,946.80
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Solution
The fourth proportional to 5,717,868,932.44, 7,890,850,730.25 and 3,177,657,946.80 is: 4,385,274,448.62
Step by Step Solution
- Step 1: Write the proportion equation
5,717,868,932.44 : 7,890,850,730.25 = 3,177,657,946.80 : x - Step 2: Convert to fraction form
5,717,868,932.44/7,890,850,730.25 = 3,177,657,946.80/x - Step 3: Cross multiply
5,717,868,932.44x = 7,890,850,730.25 × 3,177,657,946.80 - Step 4: Simplify right side
5,717,868,932.44x = 25,074,424,529,969,401,856 - Step 5: Solve for x
x = 25,074,424,529,969,401,856/5,717,868,932.44 - Step 6: Final answer
x = 4,385,274,448.62
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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.