Finding the Fourth Proportional to 567,351,349.77, 782,911,144.01 and 329,178,085.09
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Solution
The fourth proportional to 567,351,349.77, 782,911,144.01 and 329,178,085.09 is: 454,246,193.80
Step by Step Solution
- Step 1: Write the proportion equation
567,351,349.77 : 782,911,144.01 = 329,178,085.09 : x - Step 2: Convert to fraction form
567,351,349.77/782,911,144.01 = 329,178,085.09/x - Step 3: Cross multiply
567,351,349.77x = 782,911,144.01 × 329,178,085.09 - Step 4: Simplify right side
567,351,349.77x = 257,717,191,179,187,104 - Step 5: Solve for x
x = 257,717,191,179,187,104/567,351,349.77 - Step 6: Final answer
x = 454,246,193.80
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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.