Finding the Fourth Proportional to 914,701,201.96, 1,372,081,405.88 and 435,446,960.84
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Solution
The fourth proportional to 914,701,201.96, 1,372,081,405.88 and 435,446,960.84 is: 653,184,533.85
Step by Step Solution
- Step 1: Write the proportion equation
914,701,201.96 : 1,372,081,405.88 = 435,446,960.84 : x - Step 2: Convert to fraction form
914,701,201.96/1,372,081,405.88 = 435,446,960.84/x - Step 3: Cross multiply
914,701,201.96x = 1,372,081,405.88 × 435,446,960.84 - Step 4: Simplify right side
914,701,201.96x = 597,468,678,215,520,512 - Step 5: Solve for x
x = 597,468,678,215,520,512/914,701,201.96 - Step 6: Final answer
x = 653,184,533.85
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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.