Finding the Fourth Proportional to 471,921,203.19, 707,910,179.50 and 144,399,553.84
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Solution
The fourth proportional to 471,921,203.19, 707,910,179.50 and 144,399,553.84 is: 216,608,012.92
Step by Step Solution
- Step 1: Write the proportion equation
471,921,203.19 : 707,910,179.50 = 144,399,553.84 : x - Step 2: Convert to fraction form
471,921,203.19/707,910,179.50 = 144,399,553.84/x - Step 3: Cross multiply
471,921,203.19x = 707,910,179.50 × 144,399,553.84 - Step 4: Simplify right side
471,921,203.19x = 102,221,914,078,843,840 - Step 5: Solve for x
x = 102,221,914,078,843,840/471,921,203.19 - Step 6: Final answer
x = 216,608,012.92
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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.