Finding the Fourth Proportional to 591,135,480.29, 815,631,660.88 and 352,934,389.49
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Solution
The fourth proportional to 591,135,480.29, 815,631,660.88 and 352,934,389.49 is: 486,968,676.17
Step by Step Solution
- Step 1: Write the proportion equation
591,135,480.29 : 815,631,660.88 = 352,934,389.49 : x - Step 2: Convert to fraction form
591,135,480.29/815,631,660.88 = 352,934,389.49/x - Step 3: Cross multiply
591,135,480.29x = 815,631,660.88 × 352,934,389.49 - Step 4: Simplify right side
591,135,480.29x = 287,864,462,276,437,056 - Step 5: Solve for x
x = 287,864,462,276,437,056/591,135,480.29 - Step 6: Final answer
x = 486,968,676.17
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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.