Finding the Fourth Proportional to 627,079,912.53, 865,373,644.08 and 344,840,553.18
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Solution
The fourth proportional to 627,079,912.53, 865,373,644.08 and 344,840,553.18 is: 475,881,813.74
Step by Step Solution
- Step 1: Write the proportion equation
627,079,912.53 : 865,373,644.08 = 344,840,553.18 : x - Step 2: Convert to fraction form
627,079,912.53/865,373,644.08 = 344,840,553.18/x - Step 3: Cross multiply
627,079,912.53x = 865,373,644.08 × 344,840,553.18 - Step 4: Simplify right side
627,079,912.53x = 298,415,926,131,939,648 - Step 5: Solve for x
x = 298,415,926,131,939,648/627,079,912.53 - Step 6: Final answer
x = 475,881,813.74
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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.