Finding the Fourth Proportional to 486,252,278.58, 671,028,351.97 and 263,233,954.81
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Solution
The fourth proportional to 486,252,278.58, 671,028,351.97 and 263,233,954.81 is: 363,262,969.99
Step by Step Solution
- Step 1: Write the proportion equation
486,252,278.58 : 671,028,351.97 = 263,233,954.81 : x - Step 2: Convert to fraction form
486,252,278.58/671,028,351.97 = 263,233,954.81/x - Step 3: Cross multiply
486,252,278.58x = 671,028,351.97 × 263,233,954.81 - Step 4: Simplify right side
486,252,278.58x = 176,637,446,878,627,744 - Step 5: Solve for x
x = 176,637,446,878,627,744/486,252,278.58 - Step 6: Final answer
x = 363,262,969.99
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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.