Finding the Fourth Proportional to 286,295,418.27, 395,092,900.91 and 159,148,035.99
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Solution
The fourth proportional to 286,295,418.27, 395,092,900.91 and 159,148,035.99 is: 219,627,193.46
Step by Step Solution
- Step 1: Write the proportion equation
286,295,418.27 : 395,092,900.91 = 159,148,035.99 : x - Step 2: Convert to fraction form
286,295,418.27/395,092,900.91 = 159,148,035.99/x - Step 3: Cross multiply
286,295,418.27x = 395,092,900.91 × 159,148,035.99 - Step 4: Simplify right side
286,295,418.27x = 62,878,259,213,816,064 - Step 5: Solve for x
x = 62,878,259,213,816,064/286,295,418.27 - Step 6: Final answer
x = 219,627,193.46
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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.