Finding the Fourth Proportional to 994,521,480.29, 1,491,349,138.95 and 285,313,562.44
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Solution
The fourth proportional to 994,521,480.29, 1,491,349,138.95 and 285,313,562.44 is: 427,846,098.96
Step by Step Solution
- Step 1: Write the proportion equation
994,521,480.29 : 1,491,349,138.95 = 285,313,562.44 : x - Step 2: Convert to fraction form
994,521,480.29/1,491,349,138.95 = 285,313,562.44/x - Step 3: Cross multiply
994,521,480.29x = 1,491,349,138.95 × 285,313,562.44 - Step 4: Simplify right side
994,521,480.29x = 425,502,135,671,922,688 - Step 5: Solve for x
x = 425,502,135,671,922,688/994,521,480.29 - Step 6: Final answer
x = 427,846,098.96
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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.