Finding the Fourth Proportional to 899,540,961.81, 1,349,036,514.08 and 317,139,004.84
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Solution
The fourth proportional to 899,540,961.81, 1,349,036,514.08 and 317,139,004.84 is: 475,611,579.39
Step by Step Solution
- Step 1: Write the proportion equation
899,540,961.81 : 1,349,036,514.08 = 317,139,004.84 : x - Step 2: Convert to fraction form
899,540,961.81/1,349,036,514.08 = 317,139,004.84/x - Step 3: Cross multiply
899,540,961.81x = 1,349,036,514.08 × 317,139,004.84 - Step 4: Simplify right side
899,540,961.81x = 427,832,097,568,153,792 - Step 5: Solve for x
x = 427,832,097,568,153,792/899,540,961.81 - Step 6: Final answer
x = 475,611,579.39
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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.