Finding the Fourth Proportional to 698,544,076.05, 1,047,669,147.68 and 353,173,036.05
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Solution
The fourth proportional to 698,544,076.05, 1,047,669,147.68 and 353,173,036.05 is: 529,685,250.15
Step by Step Solution
- Step 1: Write the proportion equation
698,544,076.05 : 1,047,669,147.68 = 353,173,036.05 : x - Step 2: Convert to fraction form
698,544,076.05/1,047,669,147.68 = 353,173,036.05/x - Step 3: Cross multiply
698,544,076.05x = 1,047,669,147.68 × 353,173,036.05 - Step 4: Simplify right side
698,544,076.05x = 370,008,493,660,295,552 - Step 5: Solve for x
x = 370,008,493,660,295,552/698,544,076.05 - Step 6: Final answer
x = 529,685,250.15
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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.