Finding the Fourth Proportional to 664,320,869.70, 996,481,304.55 and 179,646,677.70
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Solution
The fourth proportional to 664,320,869.70, 996,481,304.55 and 179,646,677.70 is: 269,470,016.55
Step by Step Solution
- Step 1: Write the proportion equation
664,320,869.70 : 996,481,304.55 = 179,646,677.70 : x - Step 2: Convert to fraction form
664,320,869.70/996,481,304.55 = 179,646,677.70/x - Step 3: Cross multiply
664,320,869.70x = 996,481,304.55 × 179,646,677.70 - Step 4: Simplify right side
664,320,869.70x = 179,014,555,752,569,376 - Step 5: Solve for x
x = 179,014,555,752,569,376/664,320,869.70 - Step 6: Final answer
x = 269,470,016.55
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1.5x scale
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.