Finding the Fourth Proportional to 2,268,202,190, 3,130,120,277.88 and 1,225,160,654
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Solution
The fourth proportional to 2,268,202,190, 3,130,120,277.88 and 1,225,160,654 is: 1,690,722,380.77
Step by Step Solution
- Step 1: Write the proportion equation
2,268,202,190 : 3,130,120,277.88 = 1,225,160,654 : x - Step 2: Convert to fraction form
2,268,202,190/3,130,120,277.88 = 1,225,160,654/x - Step 3: Cross multiply
2,268,202,190x = 3,130,120,277.88 × 1,225,160,654 - Step 4: Simplify right side
2,268,202,190x = 3,834,900,206,746,122,752 - Step 5: Solve for x
x = 3,834,900,206,746,122,752/2,268,202,190 - Step 6: Final answer
x = 1,690,722,380.77
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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.