Finding the Fourth Proportional to 347,754,219.48, 479,911,622.58 and 191,118,480.12
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Solution
The fourth proportional to 347,754,219.48, 479,911,622.58 and 191,118,480.12 is: 263,749,437.85
Step by Step Solution
- Step 1: Write the proportion equation
347,754,219.48 : 479,911,622.58 = 191,118,480.12 : x - Step 2: Convert to fraction form
347,754,219.48/479,911,622.58 = 191,118,480.12/x - Step 3: Cross multiply
347,754,219.48x = 479,911,622.58 × 191,118,480.12 - Step 4: Simplify right side
347,754,219.48x = 91,719,979,899,412,672 - Step 5: Solve for x
x = 91,719,979,899,412,672/347,754,219.48 - Step 6: Final answer
x = 263,749,437.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.