Finding the Fourth Proportional to 698,948,464.80, 1,049,934,351.60 and 494,875,120.80
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Solution
The fourth proportional to 698,948,464.80, 1,049,934,351.60 and 494,875,120.80 is: 743,382,974.92
Step by Step Solution
- Step 1: Write the proportion equation
698,948,464.80 : 1,049,934,351.60 = 494,875,120.80 : x - Step 2: Convert to fraction form
698,948,464.80/1,049,934,351.60 = 494,875,120.80/x - Step 3: Cross multiply
698,948,464.80x = 1,049,934,351.60 × 494,875,120.80 - Step 4: Simplify right side
698,948,464.80x = 519,586,389,080,119,680 - Step 5: Solve for x
x = 519,586,389,080,119,680/698,948,464.80 - Step 6: Final answer
x = 743,382,974.92
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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.