Finding the Fourth Proportional to 849,285,612.29, 1,273,336,161.56 and 376,327,421.21
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Solution
The fourth proportional to 849,285,612.29, 1,273,336,161.56 and 376,327,421.21 is: 564,228,696.54
Step by Step Solution
- Step 1: Write the proportion equation
849,285,612.29 : 1,273,336,161.56 = 376,327,421.21 : x - Step 2: Convert to fraction form
849,285,612.29/1,273,336,161.56 = 376,327,421.21/x - Step 3: Cross multiply
849,285,612.29x = 1,273,336,161.56 × 376,327,421.21 - Step 4: Simplify right side
849,285,612.29x = 479,191,314,016,008,832 - Step 5: Solve for x
x = 479,191,314,016,008,832/849,285,612.29 - Step 6: Final answer
x = 564,228,696.54
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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.