Finding the Fourth Proportional to 4,738,843,405.80, 7,108,265,108.70 and 2,289,963,277.80
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Solution
The fourth proportional to 4,738,843,405.80, 7,108,265,108.70 and 2,289,963,277.80 is: 3,434,944,916.70
Step by Step Solution
- Step 1: Write the proportion equation
4,738,843,405.80 : 7,108,265,108.70 = 2,289,963,277.80 : x - Step 2: Convert to fraction form
4,738,843,405.80/7,108,265,108.70 = 2,289,963,277.80/x - Step 3: Cross multiply
4,738,843,405.80x = 7,108,265,108.70 × 2,289,963,277.80 - Step 4: Simplify right side
4,738,843,405.80x = 16,277,666,067,790,026,752 - Step 5: Solve for x
x = 16,277,666,067,790,026,752/4,738,843,405.80 - Step 6: Final answer
x = 3,434,944,916.70
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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.