Finding the Fourth Proportional to 228,046,796.70, 342,070,195.05 and 199,348,982.70
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Solution
The fourth proportional to 228,046,796.70, 342,070,195.05 and 199,348,982.70 is: 299,023,474.05
Step by Step Solution
- Step 1: Write the proportion equation
228,046,796.70 : 342,070,195.05 = 199,348,982.70 : x - Step 2: Convert to fraction form
228,046,796.70/342,070,195.05 = 199,348,982.70/x - Step 3: Cross multiply
228,046,796.70x = 342,070,195.05 × 199,348,982.70 - Step 4: Simplify right side
228,046,796.70x = 68,191,345,395,208,072 - Step 5: Solve for x
x = 68,191,345,395,208,072/228,046,796.70 - Step 6: Final answer
x = 299,023,474.05
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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.