Finding the Fourth Proportional to 1,201,104,410.85, 1,801,656,616.28 and 739,545,934.05
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Solution
The fourth proportional to 1,201,104,410.85, 1,801,656,616.28 and 739,545,934.05 is: 1,109,318,901.08
Step by Step Solution
- Step 1: Write the proportion equation
1,201,104,410.85 : 1,801,656,616.28 = 739,545,934.05 : x - Step 2: Convert to fraction form
1,201,104,410.85/1,801,656,616.28 = 739,545,934.05/x - Step 3: Cross multiply
1,201,104,410.85x = 1,801,656,616.28 × 739,545,934.05 - Step 4: Simplify right side
1,201,104,410.85x = 1,332,407,825,120,457,216 - Step 5: Solve for x
x = 1,332,407,825,120,457,216/1,201,104,410.85 - Step 6: Final answer
x = 1,109,318,901.08
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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.