Finding the Fourth Proportional to 189,562,357.80, 284,343,536.70 and 189,562,357.80
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Solution
The fourth proportional to 189,562,357.80, 284,343,536.70 and 189,562,357.80 is: 284,343,536.70
Step by Step Solution
- Step 1: Write the proportion equation
189,562,357.80 : 284,343,536.70 = 189,562,357.80 : x - Step 2: Convert to fraction form
189,562,357.80/284,343,536.70 = 189,562,357.80/x - Step 3: Cross multiply
189,562,357.80x = 284,343,536.70 × 189,562,357.80 - Step 4: Simplify right side
189,562,357.80x = 53,900,831,242,042,832 - Step 5: Solve for x
x = 53,900,831,242,042,832/189,562,357.80 - Step 6: Final answer
x = 284,343,536.70
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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.