Finding the Fourth Proportional to 455,150,840.84, 682,649,256.68 and 127,550,956.42
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Solution
The fourth proportional to 455,150,840.84, 682,649,256.68 and 127,550,956.42 is: 191,304,854.95
Step by Step Solution
- Step 1: Write the proportion equation
455,150,840.84 : 682,649,256.68 = 127,550,956.42 : x - Step 2: Convert to fraction form
455,150,840.84/682,649,256.68 = 127,550,956.42/x - Step 3: Cross multiply
455,150,840.84x = 682,649,256.68 × 127,550,956.42 - Step 4: Simplify right side
455,150,840.84x = 87,072,565,588,936,064 - Step 5: Solve for x
x = 87,072,565,588,936,064/455,150,840.84 - Step 6: Final answer
x = 191,304,854.95
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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.