Finding the Fourth Proportional to 664,331,405.10, 996,497,107.65 and 615,958,464.30
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Solution
The fourth proportional to 664,331,405.10, 996,497,107.65 and 615,958,464.30 is: 923,937,696.45
Step by Step Solution
- Step 1: Write the proportion equation
664,331,405.10 : 996,497,107.65 = 615,958,464.30 : x - Step 2: Convert to fraction form
664,331,405.10/996,497,107.65 = 615,958,464.30/x - Step 3: Cross multiply
664,331,405.10x = 996,497,107.65 × 615,958,464.30 - Step 4: Simplify right side
664,331,405.10x = 613,800,828,107,485,696 - Step 5: Solve for x
x = 613,800,828,107,485,696/664,331,405.10 - Step 6: Final answer
x = 923,937,696.45
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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.