Finding the Fourth Proportional to 667,785,636.09, 1,001,194,178.49 and 448,893,059.79
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Solution
The fourth proportional to 667,785,636.09, 1,001,194,178.49 and 448,893,059.79 is: 673,014,054.12
Step by Step Solution
- Step 1: Write the proportion equation
667,785,636.09 : 1,001,194,178.49 = 448,893,059.79 : x - Step 2: Convert to fraction form
667,785,636.09/1,001,194,178.49 = 448,893,059.79/x - Step 3: Cross multiply
667,785,636.09x = 1,001,194,178.49 × 448,893,059.79 - Step 4: Simplify right side
667,785,636.09x = 449,429,118,226,311,552 - Step 5: Solve for x
x = 449,429,118,226,311,552/667,785,636.09 - Step 6: Final answer
x = 673,014,054.12
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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.