Finding the Fourth Proportional to 749,021,756.99, 1,123,976,492.61 and 417,306,415.46
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Solution
The fourth proportional to 749,021,756.99, 1,123,976,492.61 and 417,306,415.46 is: 626,206,911.64
Step by Step Solution
- Step 1: Write the proportion equation
749,021,756.99 : 1,123,976,492.61 = 417,306,415.46 : x - Step 2: Convert to fraction form
749,021,756.99/1,123,976,492.61 = 417,306,415.46/x - Step 3: Cross multiply
749,021,756.99x = 1,123,976,492.61 × 417,306,415.46 - Step 4: Simplify right side
749,021,756.99x = 469,042,601,192,382,208 - Step 5: Solve for x
x = 469,042,601,192,382,208/749,021,756.99 - Step 6: Final answer
x = 626,206,911.64
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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.