Finding the Fourth Proportional to 471,936,411.36, 651,238,991.28 and 263,083,315.68
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Solution
The fourth proportional to 471,936,411.36, 651,238,991.28 and 263,083,315.68 is: 363,036,436.69
Step by Step Solution
- Step 1: Write the proportion equation
471,936,411.36 : 651,238,991.28 = 263,083,315.68 : x - Step 2: Convert to fraction form
471,936,411.36/651,238,991.28 = 263,083,315.68/x - Step 3: Cross multiply
471,936,411.36x = 651,238,991.28 × 263,083,315.68 - Step 4: Simplify right side
471,936,411.36x = 171,330,113,126,040,992 - Step 5: Solve for x
x = 171,330,113,126,040,992/471,936,411.36 - Step 6: Final answer
x = 363,036,436.69
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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.