Finding the Fourth Proportional to 830,734,819.63, 1,246,104,340.81 and 339,448,090.97
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Solution
The fourth proportional to 830,734,819.63, 1,246,104,340.81 and 339,448,090.97 is: 509,172,999.19
Step by Step Solution
- Step 1: Write the proportion equation
830,734,819.63 : 1,246,104,340.81 = 339,448,090.97 : x - Step 2: Convert to fraction form
830,734,819.63/1,246,104,340.81 = 339,448,090.97/x - Step 3: Cross multiply
830,734,819.63x = 1,246,104,340.81 × 339,448,090.97 - Step 4: Simplify right side
830,734,819.63x = 422,987,739,639,651,392 - Step 5: Solve for x
x = 422,987,739,639,651,392/830,734,819.63 - Step 6: Final answer
x = 509,172,999.19
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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.