Finding the Fourth Proportional to 1,201,203,906.80, 1,801,805,860.20 and 943,214,889.20
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Solution
The fourth proportional to 1,201,203,906.80, 1,801,805,860.20 and 943,214,889.20 is: 1,414,822,333.80
Step by Step Solution
- Step 1: Write the proportion equation
1,201,203,906.80 : 1,801,805,860.20 = 943,214,889.20 : x - Step 2: Convert to fraction form
1,201,203,906.80/1,801,805,860.20 = 943,214,889.20/x - Step 3: Cross multiply
1,201,203,906.80x = 1,801,805,860.20 × 943,214,889.20 - Step 4: Simplify right side
1,201,203,906.80x = 1,699,490,114,788,453,888 - Step 5: Solve for x
x = 1,699,490,114,788,453,888/1,201,203,906.80 - Step 6: Final answer
x = 1,414,822,333.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.