Finding the Fourth Proportional to 2,913,105,251.80, 4,369,657,877.70 and 2,576,384,234.20
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Solution
The fourth proportional to 2,913,105,251.80, 4,369,657,877.70 and 2,576,384,234.20 is: 3,864,576,351.30
Step by Step Solution
- Step 1: Write the proportion equation
2,913,105,251.80 : 4,369,657,877.70 = 2,576,384,234.20 : x - Step 2: Convert to fraction form
2,913,105,251.80/4,369,657,877.70 = 2,576,384,234.20/x - Step 3: Cross multiply
2,913,105,251.80x = 4,369,657,877.70 × 2,576,384,234.20 - Step 4: Simplify right side
2,913,105,251.80x = 11,257,917,664,954,109,952 - Step 5: Solve for x
x = 11,257,917,664,954,109,952/2,913,105,251.80 - Step 6: Final answer
x = 3,864,576,351.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.