Finding the Fourth Proportional to 830,305,544,907.40, 1,245,332,477,140.20 and 225,977,843,110.09
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Solution
The fourth proportional to 830,305,544,907.40, 1,245,332,477,140.20 and 225,977,843,110.09 is: 338,932,515,704.77
Step by Step Solution
- Step 1: Write the proportion equation
830,305,544,907.40 : 1,245,332,477,140.20 = 225,977,843,110.09 : x - Step 2: Convert to fraction form
830,305,544,907.40/1,245,332,477,140.20 = 225,977,843,110.09/x - Step 3: Cross multiply
830,305,544,907.40x = 1,245,332,477,140.20 × 225,977,843,110.09 - Step 4: Simplify right side
830,305,544,907.40x = 281,417,547,139,087,857,614,848 - Step 5: Solve for x
x = 281,417,547,139,087,857,614,848/830,305,544,907.40 - Step 6: Final answer
x = 338,932,515,704.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.