Finding the Fourth Proportional to 446,184,747.60, 669,277,121.40 and 415,951,659.60
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Solution
The fourth proportional to 446,184,747.60, 669,277,121.40 and 415,951,659.60 is: 623,927,489.40
Step by Step Solution
- Step 1: Write the proportion equation
446,184,747.60 : 669,277,121.40 = 415,951,659.60 : x - Step 2: Convert to fraction form
446,184,747.60/669,277,121.40 = 415,951,659.60/x - Step 3: Cross multiply
446,184,747.60x = 669,277,121.40 × 415,951,659.60 - Step 4: Simplify right side
446,184,747.60x = 278,386,929,378,640,672 - Step 5: Solve for x
x = 278,386,929,378,640,672/446,184,747.60 - Step 6: Final answer
x = 623,927,489.40
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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.