Finding the Fourth Proportional to 561,692,338.36, 775,067,511.40 and 323,615,409
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Solution
The fourth proportional to 561,692,338.36, 775,067,511.40 and 323,615,409 is: 446,550,135.32
Step by Step Solution
- Step 1: Write the proportion equation
561,692,338.36 : 775,067,511.40 = 323,615,409 : x - Step 2: Convert to fraction form
561,692,338.36/775,067,511.40 = 323,615,409/x - Step 3: Cross multiply
561,692,338.36x = 775,067,511.40 × 323,615,409 - Step 4: Simplify right side
561,692,338.36x = 250,823,789,704,323,168 - Step 5: Solve for x
x = 250,823,789,704,323,168/561,692,338.36 - Step 6: Final answer
x = 446,550,135.32
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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.