Finding the Fourth Proportional to 957,642,206.78, 1,436,506,120.49 and 293,608,448.75
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Solution
The fourth proportional to 957,642,206.78, 1,436,506,120.49 and 293,608,448.75 is: 440,425,798.56
Step by Step Solution
- Step 1: Write the proportion equation
957,642,206.78 : 1,436,506,120.49 = 293,608,448.75 : x - Step 2: Convert to fraction form
957,642,206.78/1,436,506,120.49 = 293,608,448.75/x - Step 3: Cross multiply
957,642,206.78x = 1,436,506,120.49 × 293,608,448.75 - Step 4: Simplify right side
957,642,206.78x = 421,770,333,656,949,504 - Step 5: Solve for x
x = 421,770,333,656,949,504/957,642,206.78 - Step 6: Final answer
x = 440,425,798.56
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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.