Finding the Fourth Proportional to 439,822,367.80, 659,733,551.70 and 180,951,551.80
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Solution
The fourth proportional to 439,822,367.80, 659,733,551.70 and 180,951,551.80 is: 271,427,327.70
Step by Step Solution
- Step 1: Write the proportion equation
439,822,367.80 : 659,733,551.70 = 180,951,551.80 : x - Step 2: Convert to fraction form
439,822,367.80/659,733,551.70 = 180,951,551.80/x - Step 3: Cross multiply
439,822,367.80x = 659,733,551.70 × 180,951,551.80 - Step 4: Simplify right side
439,822,367.80x = 119,379,809,954,640,544 - Step 5: Solve for x
x = 119,379,809,954,640,544/439,822,367.80 - Step 6: Final answer
x = 271,427,327.70
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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.